diff --git a/Source/bindings/v8/CustomElementConstructorBuilder.cpp b/Source/bindings/v8/CustomElementConstructorBuilder.cpp
index 6fe0030..b134666 100644
--- a/Source/bindings/v8/CustomElementConstructorBuilder.cpp
+++ b/Source/bindings/v8/CustomElementConstructorBuilder.cpp
@@ -145,11 +145,11 @@
 
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     v8::Handle<v8::Function> created = retrieveCallback(isolate, "createdCallback");
-    v8::Handle<v8::Function> enteredView = retrieveCallback(isolate, "enteredViewCallback");
-    v8::Handle<v8::Function> leftView = retrieveCallback(isolate, "leftViewCallback");
+    v8::Handle<v8::Function> attached = retrieveCallback(isolate, "attachedCallback");
+    v8::Handle<v8::Function> detached = retrieveCallback(isolate, "detachedCallback");
     v8::Handle<v8::Function> attributeChanged = retrieveCallback(isolate, "attributeChangedCallback");
 
-    m_callbacks = V8CustomElementLifecycleCallbacks::create(executionContext.get(), m_prototype, created, enteredView, leftView, attributeChanged);
+    m_callbacks = V8CustomElementLifecycleCallbacks::create(executionContext.get(), m_prototype, created, attached, detached, attributeChanged);
     return m_callbacks.get();
 }
 
diff --git a/Source/bindings/v8/V8CustomElementLifecycleCallbacks.cpp b/Source/bindings/v8/V8CustomElementLifecycleCallbacks.cpp
index fe94e4d..29e1bc0 100644
--- a/Source/bindings/v8/V8CustomElementLifecycleCallbacks.cpp
+++ b/Source/bindings/v8/V8CustomElementLifecycleCallbacks.cpp
@@ -45,11 +45,11 @@
 
 #define CALLBACK_LIST(V)                  \
     V(created, Created)                   \
-    V(enteredView, EnteredView)           \
-    V(leftView, LeftView)                 \
+    V(attached, Attached)           \
+    V(detached, Detached)                 \
     V(attributeChanged, AttributeChanged)
 
-PassRefPtr<V8CustomElementLifecycleCallbacks> V8CustomElementLifecycleCallbacks::create(ExecutionContext* executionContext, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> enteredView, v8::Handle<v8::Function> leftView, v8::Handle<v8::Function> attributeChanged)
+PassRefPtr<V8CustomElementLifecycleCallbacks> V8CustomElementLifecycleCallbacks::create(ExecutionContext* executionContext, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> attached, v8::Handle<v8::Function> detached, v8::Handle<v8::Function> attributeChanged)
 {
     v8::Isolate* isolate = toIsolate(executionContext);
     // A given object can only be used as a Custom Element prototype
@@ -62,19 +62,19 @@
     CALLBACK_LIST(SET_HIDDEN_PROPERTY)
 #undef SET_HIDDEN_PROPERTY
 
-    return adoptRef(new V8CustomElementLifecycleCallbacks(executionContext, prototype, created, enteredView, leftView, attributeChanged));
+    return adoptRef(new V8CustomElementLifecycleCallbacks(executionContext, prototype, created, attached, detached, attributeChanged));
 }
 
-static CustomElementLifecycleCallbacks::CallbackType flagSet(v8::Handle<v8::Function> enteredView, v8::Handle<v8::Function> leftView, v8::Handle<v8::Function> attributeChanged)
+static CustomElementLifecycleCallbacks::CallbackType flagSet(v8::Handle<v8::Function> attached, v8::Handle<v8::Function> detached, v8::Handle<v8::Function> attributeChanged)
 {
     // V8 Custom Elements always run created to swizzle prototypes.
     int flags = CustomElementLifecycleCallbacks::Created;
 
-    if (!enteredView.IsEmpty())
-        flags |= CustomElementLifecycleCallbacks::EnteredView;
+    if (!attached.IsEmpty())
+        flags |= CustomElementLifecycleCallbacks::Attached;
 
-    if (!leftView.IsEmpty())
-        flags |= CustomElementLifecycleCallbacks::LeftView;
+    if (!detached.IsEmpty())
+        flags |= CustomElementLifecycleCallbacks::Detached;
 
     if (!attributeChanged.IsEmpty())
         flags |= CustomElementLifecycleCallbacks::AttributeChanged;
@@ -88,15 +88,15 @@
     data.GetParameter()->clear();
 }
 
-V8CustomElementLifecycleCallbacks::V8CustomElementLifecycleCallbacks(ExecutionContext* executionContext, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> enteredView, v8::Handle<v8::Function> leftView, v8::Handle<v8::Function> attributeChanged)
-    : CustomElementLifecycleCallbacks(flagSet(enteredView, leftView, attributeChanged))
+V8CustomElementLifecycleCallbacks::V8CustomElementLifecycleCallbacks(ExecutionContext* executionContext, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> attached, v8::Handle<v8::Function> detached, v8::Handle<v8::Function> attributeChanged)
+    : CustomElementLifecycleCallbacks(flagSet(attached, detached, attributeChanged))
     , ActiveDOMCallback(executionContext)
     , m_owner(0)
     , m_world(DOMWrapperWorld::current())
     , m_prototype(toIsolate(executionContext), prototype)
     , m_created(toIsolate(executionContext), created)
-    , m_enteredView(toIsolate(executionContext), enteredView)
-    , m_leftView(toIsolate(executionContext), leftView)
+    , m_attached(toIsolate(executionContext), attached)
+    , m_detached(toIsolate(executionContext), detached)
     , m_attributeChanged(toIsolate(executionContext), attributeChanged)
 {
     m_prototype.setWeak(&m_prototype, weakCallback<v8::Object>);
@@ -187,14 +187,14 @@
     ScriptController::callFunction(executionContext(), callback, receiver, 0, 0, isolate);
 }
 
-void V8CustomElementLifecycleCallbacks::enteredView(Element* element)
+void V8CustomElementLifecycleCallbacks::attached(Element* element)
 {
-    call(m_enteredView, element);
+    call(m_attached, element);
 }
 
-void V8CustomElementLifecycleCallbacks::leftView(Element* element)
+void V8CustomElementLifecycleCallbacks::detached(Element* element)
 {
-    call(m_leftView, element);
+    call(m_detached, element);
 }
 
 void V8CustomElementLifecycleCallbacks::attributeChanged(Element* element, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
diff --git a/Source/bindings/v8/V8CustomElementLifecycleCallbacks.h b/Source/bindings/v8/V8CustomElementLifecycleCallbacks.h
index 0135463..e911e28 100644
--- a/Source/bindings/v8/V8CustomElementLifecycleCallbacks.h
+++ b/Source/bindings/v8/V8CustomElementLifecycleCallbacks.h
@@ -48,18 +48,18 @@
 
 class V8CustomElementLifecycleCallbacks : public CustomElementLifecycleCallbacks, ActiveDOMCallback {
 public:
-    static PassRefPtr<V8CustomElementLifecycleCallbacks> create(ExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> enteredView, v8::Handle<v8::Function> leftView, v8::Handle<v8::Function> attributeChanged);
+    static PassRefPtr<V8CustomElementLifecycleCallbacks> create(ExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> attached, v8::Handle<v8::Function> detached, v8::Handle<v8::Function> attributeChanged);
 
     virtual ~V8CustomElementLifecycleCallbacks();
 
     bool setBinding(CustomElementDefinition* owner, PassOwnPtr<CustomElementBinding>);
 
 private:
-    V8CustomElementLifecycleCallbacks(ExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> enteredView, v8::Handle<v8::Function> leftView, v8::Handle<v8::Function> attributeChanged);
+    V8CustomElementLifecycleCallbacks(ExecutionContext*, v8::Handle<v8::Object> prototype, v8::Handle<v8::Function> created, v8::Handle<v8::Function> attached, v8::Handle<v8::Function> detached, v8::Handle<v8::Function> attributeChanged);
 
     virtual void created(Element*) OVERRIDE;
-    virtual void enteredView(Element*) OVERRIDE;
-    virtual void leftView(Element*) OVERRIDE;
+    virtual void attached(Element*) OVERRIDE;
+    virtual void detached(Element*) OVERRIDE;
     virtual void attributeChanged(Element*, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) OVERRIDE;
 
     void call(const ScopedPersistent<v8::Function>& weakCallback, Element*);
@@ -70,8 +70,8 @@
     RefPtr<DOMWrapperWorld> m_world;
     ScopedPersistent<v8::Object> m_prototype;
     ScopedPersistent<v8::Function> m_created;
-    ScopedPersistent<v8::Function> m_enteredView;
-    ScopedPersistent<v8::Function> m_leftView;
+    ScopedPersistent<v8::Function> m_attached;
+    ScopedPersistent<v8::Function> m_detached;
     ScopedPersistent<v8::Function> m_attributeChanged;
 };
 
diff --git a/Source/bindings/v8/V8HiddenPropertyName.h b/Source/bindings/v8/V8HiddenPropertyName.h
index 48093af..76dc17c 100644
--- a/Source/bindings/v8/V8HiddenPropertyName.h
+++ b/Source/bindings/v8/V8HiddenPropertyName.h
@@ -40,12 +40,12 @@
     V(attributeListener) \
     V(callback) \
     V(condition) \
+    V(customElementAttached) \
     V(customElementAttributeChanged) \
     V(customElementCreated) \
+    V(customElementDetached) \
     V(customElementDocument) \
-    V(customElementEnteredView) \
     V(customElementIsInterfacePrototypeObject) \
-    V(customElementLeftView) \
     V(customElementNamespaceURI) \
     V(customElementTagName) \
     V(customElementType) \
diff --git a/Source/build/features.gypi b/Source/build/features.gypi
index e5e74d6..ae0049e 100644
--- a/Source/build/features.gypi
+++ b/Source/build/features.gypi
@@ -54,6 +54,7 @@
       }],
       ['OS=="android"', {
         'feature_defines': [
+          'ENABLE_FAST_MOBILE_SCROLLING=1',
           'ENABLE_INPUT_SPEECH=0',
           'ENABLE_LEGACY_NOTIFICATIONS=0',
           'ENABLE_MEDIA_CAPTURE=1',
diff --git a/Source/core/animation/ActiveAnimations.h b/Source/core/animation/ActiveAnimations.h
index 43496b0..b12a9bf 100644
--- a/Source/core/animation/ActiveAnimations.h
+++ b/Source/core/animation/ActiveAnimations.h
@@ -40,6 +40,7 @@
 
 namespace WebCore {
 
+class CSSAnimations;
 class RenderObject;
 class Element;
 
@@ -50,6 +51,9 @@
 
 class ActiveAnimations {
 public:
+    ActiveAnimations()
+        : m_animationStyleChange(false) { }
+
     // Animations that are currently active for this element, their effects will be applied
     // during a style recalc. CSS Transitions are included in this stack.
     AnimationStack& defaultStack() { return m_defaultStack; }
@@ -70,10 +74,18 @@
     bool hasActiveAnimationsOnCompositor(CSSPropertyID) const;
     void cancelAnimationOnCompositor();
 
+    void setAnimationStyleChange(bool animationStyleChange) { m_animationStyleChange = animationStyleChange; }
+
 private:
+    bool isAnimationStyleChange() const { return m_animationStyleChange; }
+
     AnimationStack m_defaultStack;
     CSSAnimations m_cssAnimations;
     PlayerSet m_players;
+    bool m_animationStyleChange;
+
+    // CSSAnimations checks if a style change is due to animation.
+    friend class CSSAnimations;
 };
 
 } // namespace WebCore
diff --git a/Source/core/animation/Animation.cpp b/Source/core/animation/Animation.cpp
index bc18d7e..102bfae 100644
--- a/Source/core/animation/Animation.cpp
+++ b/Source/core/animation/Animation.cpp
@@ -88,7 +88,7 @@
     // FIXME: Handle iteration values which overflow int.
     m_compositableValues = m_effect->sample(static_cast<int>(iteration), timeFraction());
     if (player()) {
-        m_target->setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRenderer);
+        m_target->setNeedsAnimationStyleRecalc();
         return true;
     }
     return false;
@@ -102,7 +102,7 @@
     cancelAnimationOnCompositor();
     m_activeInAnimationStack = false;
     m_compositableValues.clear();
-    m_target->setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRenderer);
+    m_target->setNeedsAnimationStyleRecalc();
 }
 
 bool Animation::updateChildrenAndEffects() const
diff --git a/Source/core/animation/CompositorAnimationsTest.cpp b/Source/core/animation/CompositorAnimationsTest.cpp
index 0cbc371..db0d9a6 100644
--- a/Source/core/animation/CompositorAnimationsTest.cpp
+++ b/Source/core/animation/CompositorAnimationsTest.cpp
@@ -272,6 +272,12 @@
     ops.operations().append(TranslateTransformOperation::create(Length(50, WebCore::Percent), Length(2, WebCore::Fixed), TransformOperation::TranslateX));
     RefPtr<Keyframe> badKeyframe = createReplaceOpKeyframe(CSSPropertyWebkitTransform, AnimatableTransform::create(ops).get());
     EXPECT_FALSE(isCandidateHelperForSingleKeyframe(badKeyframe.get()));
+
+    TransformOperations ops2;
+    Length calcLength = Length(100, WebCore::Percent).blend(Length(100, WebCore::Fixed), 0.5, WebCore::ValueRangeAll);
+    ops2.operations().append(TranslateTransformOperation::create(calcLength, Length(0, WebCore::Fixed), TransformOperation::TranslateX));
+    RefPtr<Keyframe> badKeyframe2 = createReplaceOpKeyframe(CSSPropertyWebkitTransform, AnimatableTransform::create(ops2).get());
+    EXPECT_FALSE(isCandidateHelperForSingleKeyframe(badKeyframe2.get()));
 }
 
 TEST_F(AnimationCompositorAnimationsTest, isNotCandidateForCompositorAnimationCustomFilter)
diff --git a/Source/core/animation/css/CSSAnimations.cpp b/Source/core/animation/css/CSSAnimations.cpp
index 14f8cf4..22b762d 100644
--- a/Source/core/animation/css/CSSAnimations.cpp
+++ b/Source/core/animation/css/CSSAnimations.cpp
@@ -519,22 +519,24 @@
     }
 }
 
-void CSSAnimations::calculateTransitionUpdateForProperty(CSSPropertyID id, const CSSAnimationData* anim, const RenderStyle& oldStyle, const RenderStyle& style, const TransitionMap* activeTransitions, CSSAnimationUpdate* update)
+void CSSAnimations::calculateTransitionUpdateForProperty(CSSPropertyID id, const CSSAnimationData* anim, const RenderStyle& oldStyle, const RenderStyle& style, const TransitionMap* activeTransitions, CSSAnimationUpdate* update, const Element* element)
 {
-    if (CSSPropertyAnimation::propertiesEqual(id, &oldStyle, &style))
-        return;
-
-    RefPtr<AnimatableValue> to = CSSAnimatableValueFactory::create(id, style);
-
+    RefPtr<AnimatableValue> to;
     if (activeTransitions) {
         TransitionMap::const_iterator activeTransitionIter = activeTransitions->find(id);
         if (activeTransitionIter != activeTransitions->end()) {
+            to = CSSAnimatableValueFactory::create(id, style);
             const AnimatableValue* activeTo = activeTransitionIter->value.to;
             if (to->equals(activeTo))
                 return;
             update->cancelTransition(id);
+            ASSERT(!element->activeAnimations() || !element->activeAnimations()->isAnimationStyleChange());
         }
     }
+    if (CSSPropertyAnimation::propertiesEqual(id, &oldStyle, &style))
+        return;
+    if (!to)
+        to = CSSAnimatableValueFactory::create(id, style);
 
     RefPtr<AnimatableValue> from = CSSAnimatableValueFactory::create(id, oldStyle);
     // If we have multiple transitions on the same property, we will use the
@@ -565,6 +567,7 @@
     timing.fillMode = Timing::FillModeBoth;
 
     update->startTransition(id, from.get(), to.get(), InertAnimation::create(effect, timing, isPaused));
+    ASSERT(!element->activeAnimations() || !element->activeAnimations()->isAnimationStyleChange());
 }
 
 void CSSAnimations::calculateTransitionUpdate(CSSAnimationUpdate* update, const Element* element, const RenderStyle& style)
@@ -572,10 +575,18 @@
     ActiveAnimations* activeAnimations = element->activeAnimations();
     const TransitionMap* activeTransitions = activeAnimations ? &activeAnimations->cssAnimations().m_transitions : 0;
 
+#if ASSERT_DISABLED
+    // In release builds we avoid the cost of checking for new and interrupted transitions if the style recalc is due to animation.
+    const bool animationStyleRecalc = activeAnimations && activeAnimations->isAnimationStyleChange();
+#else
+    // In debug builds we verify that it would have been safe to avoid populating and testing listedProperties if the style recalc is due to animation.
+    const bool animationStyleRecalc = false;
+#endif
+
     BitArray<numCSSProperties> listedProperties;
     bool anyTransitionHadAnimateAll = false;
     const RenderObject* renderer = element->renderer();
-    if (style.display() != NONE && renderer && renderer->style() && style.transitions()) {
+    if (!animationStyleRecalc && style.display() != NONE && renderer && renderer->style() && style.transitions()) {
         const RenderStyle& oldStyle = *renderer->style();
 
         for (size_t i = 0; i < style.transitions()->size(); ++i) {
@@ -604,7 +615,7 @@
                 // but this is a bit hard to do with the current applyMatchedProperties system.
                 if (!update->compositableValuesForAnimations().contains(id)
                     && (!activeAnimations || !activeAnimations->cssAnimations().m_previousCompositableValuesForAnimations.contains(id))) {
-                    calculateTransitionUpdateForProperty(id, anim, oldStyle, style, activeTransitions, update);
+                    calculateTransitionUpdateForProperty(id, anim, oldStyle, style, activeTransitions, update, element);
                 }
             }
         }
@@ -614,8 +625,10 @@
         for (TransitionMap::const_iterator iter = activeTransitions->begin(); iter != activeTransitions->end(); ++iter) {
             const TimedItem* timedItem = iter->value.transition;
             CSSPropertyID id = iter->key;
-            if (timedItem->phase() == TimedItem::PhaseAfter || (!anyTransitionHadAnimateAll && !listedProperties.get(id)))
+            if (timedItem->phase() == TimedItem::PhaseAfter || (!anyTransitionHadAnimateAll && !animationStyleRecalc && !listedProperties.get(id))) {
+                ASSERT(timedItem->phase() == TimedItem::PhaseAfter || !(activeAnimations && activeAnimations->isAnimationStyleChange()));
                 update->cancelTransition(id);
+            }
         }
     }
 }
diff --git a/Source/core/animation/css/CSSAnimations.h b/Source/core/animation/css/CSSAnimations.h
index af43b6f..aacca5d 100644
--- a/Source/core/animation/css/CSSAnimations.h
+++ b/Source/core/animation/css/CSSAnimations.h
@@ -176,7 +176,7 @@
 
     static void calculateAnimationUpdate(CSSAnimationUpdate*, Element*, const RenderStyle&, StyleResolver*);
     static void calculateTransitionUpdate(CSSAnimationUpdate*, const Element*, const RenderStyle&);
-    static void calculateTransitionUpdateForProperty(CSSPropertyID, const CSSAnimationData*, const RenderStyle& oldStyle, const RenderStyle&, const TransitionMap* activeTransitions, CSSAnimationUpdate*);
+    static void calculateTransitionUpdateForProperty(CSSPropertyID, const CSSAnimationData*, const RenderStyle& oldStyle, const RenderStyle&, const TransitionMap* activeTransitions, CSSAnimationUpdate*, const Element*);
 
     static void calculateAnimationCompositableValues(CSSAnimationUpdate*, const Element*);
     static void calculateTransitionCompositableValues(CSSAnimationUpdate*, const Element*);
diff --git a/Source/core/dom/ContainerNode.cpp b/Source/core/dom/ContainerNode.cpp
index 3f8352c..ba1ac83 100644
--- a/Source/core/dom/ContainerNode.cpp
+++ b/Source/core/dom/ContainerNode.cpp
@@ -806,7 +806,6 @@
         setNeedsStyleRecalc();
     if (renderer() && renderer()->style()->hasAppearance())
         RenderTheme::theme().stateChanged(renderer(), FocusState);
-    InspectorInstrumentation::pseudoStateChanged(this);
 }
 
 void ContainerNode::setFocus(bool received)
@@ -835,7 +834,6 @@
             setNeedsStyleRecalc();
         if (renderStyle()->hasAppearance())
             RenderTheme::theme().stateChanged(renderer(), PressedState);
-        InspectorInstrumentation::pseudoStateChanged(this);
     }
 }
 
@@ -850,7 +848,6 @@
     if (!renderer()) {
         if (!over)
             setNeedsStyleRecalc();
-        InspectorInstrumentation::pseudoStateChanged(this);
         return;
     }
 
@@ -859,7 +856,6 @@
             setNeedsStyleRecalc();
         if (renderer() && renderer()->style()->hasAppearance())
             RenderTheme::theme().stateChanged(renderer(), HoverState);
-        InspectorInstrumentation::pseudoStateChanged(this);
     }
 }
 
diff --git a/Source/core/dom/Document.idl b/Source/core/dom/Document.idl
index 772a3ad..3669662 100644
--- a/Source/core/dom/Document.idl
+++ b/Source/core/dom/Document.idl
@@ -194,8 +194,7 @@
                                                [Default=Undefined] optional float webkitForce);
     [RuntimeEnabled=Touch] TouchList createTouchList(Touch... touches);
 
-    [DeprecateAs=PrefixedDocumentRegister, RuntimeEnabled=CustomElements, ImplementedAs=registerElement, CallWith=ScriptState, CustomElementCallbacks, RaisesException] CustomElementConstructor webkitRegister(DOMString name, optional Dictionary options);
-    [RuntimeEnabled=CustomElements, ImplementedAs=registerElement, CallWith=ScriptState, CustomElementCallbacks, RaisesException] CustomElementConstructor register(DOMString name, optional Dictionary options);
+    [RuntimeEnabled=CustomElements, CallWith=ScriptState, CustomElementCallbacks, RaisesException] CustomElementConstructor registerElement(DOMString name, optional Dictionary options);
     [CustomElementCallbacks, PerWorldBindings, ActivityLogging=ForIsolatedWorlds, RaisesException] Element createElement(DOMString localName, [TreatNullAs=NullString] DOMString typeExtension);
     [CustomElementCallbacks, PerWorldBindings, ActivityLogging=ForIsolatedWorlds, RaisesException] Element createElementNS([TreatNullAs=NullString] DOMString namespaceURI, DOMString qualifiedName,
                             [TreatNullAs=NullString] DOMString typeExtension);
diff --git a/Source/core/dom/Element.cpp b/Source/core/dom/Element.cpp
index 3648539..1dec7bd 100644
--- a/Source/core/dom/Element.cpp
+++ b/Source/core/dom/Element.cpp
@@ -1534,6 +1534,11 @@
             ElementRareData* data = elementRareData();
             data->resetStyleState();
             data->clearComputedStyle();
+
+            if (change >= Inherit) {
+                if (ActiveAnimations* activeAnimations = data->activeAnimations())
+                    activeAnimations->setAnimationStyleChange(false);
+            }
         }
         if (parentRenderStyle())
             change = recalcOwnStyle(change);
@@ -1723,6 +1728,21 @@
         elementShadow->didAffectSelector(mask);
 }
 
+void Element::setAnimationStyleChange(bool animationStyleChange)
+{
+    if (ActiveAnimations* activeAnimations = elementRareData()->activeAnimations())
+        activeAnimations->setAnimationStyleChange(animationStyleChange);
+}
+
+void Element::setNeedsAnimationStyleRecalc()
+{
+    if (styleChangeType() != NoStyleChange)
+        return;
+
+    setNeedsStyleRecalc(LocalStyleChange, StyleChangeFromRenderer);
+    setAnimationStyleChange(true);
+}
+
 PassRefPtr<ShadowRoot> Element::createShadowRoot(ExceptionState& exceptionState)
 {
     if (alwaysCreateUserAgentShadowRoot())
diff --git a/Source/core/dom/Element.h b/Source/core/dom/Element.h
index eb5161a..eca5712 100644
--- a/Source/core/dom/Element.h
+++ b/Source/core/dom/Element.h
@@ -301,6 +301,8 @@
     virtual bool rendererIsNeeded(const RenderStyle&);
     void recalcStyle(StyleRecalcChange, Text* nextTextSibling = 0);
     void didAffectSelector(AffectedSelectorMask);
+    void setAnimationStyleChange(bool);
+    void setNeedsAnimationStyleRecalc();
 
     bool supportsStyleSharing() const;
 
diff --git a/Source/core/dom/Node.cpp b/Source/core/dom/Node.cpp
index 3d9779d..abea9ef 100644
--- a/Source/core/dom/Node.cpp
+++ b/Source/core/dom/Node.cpp
@@ -790,6 +790,18 @@
 
     if (existingChangeType == NoStyleChange)
         markAncestorsWithChildNeedsStyleRecalc();
+
+    if (isElementNode() && hasRareData())
+        toElement(*this).setAnimationStyleChange(false);
+}
+
+void Node::clearNeedsStyleRecalc()
+{
+    m_nodeFlags &= ~StyleChangeMask;
+    clearFlag(NotifyRendererWithIdenticalStyles);
+
+    if (isElementNode() && hasRareData())
+        toElement(*this).setAnimationStyleChange(false);
 }
 
 bool Node::inActiveDocument() const
@@ -983,20 +995,20 @@
     return false;
 }
 
-Node* Node::commonAncestorOverShadowBoundary(const Node& other)
+Node* Node::commonAncestor(const Node& other, Node* (*parent)(const Node&))
 {
     if (this == other)
         return this;
     if (document() != other.document())
         return 0;
     int thisDepth = 0;
-    for (Node* node = this; node; node = node->parentOrShadowHostNode()) {
+    for (Node* node = this; node; node = parent(*node)) {
         if (node == &other)
             return node;
         thisDepth++;
     }
     int otherDepth = 0;
-    for (const Node* node = &other; node; node = node->parentOrShadowHostNode()) {
+    for (const Node* node = &other; node; node = parent(*node)) {
         if (node == this)
             return this;
         otherDepth++;
@@ -1005,16 +1017,16 @@
     const Node* otherIterator = &other;
     if (thisDepth > otherDepth) {
         for (int i = thisDepth; i > otherDepth; --i)
-            thisIterator = thisIterator->parentOrShadowHostNode();
+            thisIterator = parent(*thisIterator);
     } else if (otherDepth > thisDepth) {
         for (int i = otherDepth; i > thisDepth; --i)
-            otherIterator = otherIterator->parentOrShadowHostNode();
+            otherIterator = parent(*otherIterator);
     }
     while (thisIterator) {
         if (thisIterator == otherIterator)
             return thisIterator;
-        thisIterator = thisIterator->parentOrShadowHostNode();
-        otherIterator = otherIterator->parentOrShadowHostNode();
+        thisIterator = parent(*thisIterator);
+        otherIterator = parent(*otherIterator);
     }
     ASSERT(!otherIterator);
     return 0;
diff --git a/Source/core/dom/Node.h b/Source/core/dom/Node.h
index 8b63560..3623518 100644
--- a/Source/core/dom/Node.h
+++ b/Source/core/dom/Node.h
@@ -378,11 +378,7 @@
     void clearChildNeedsStyleRecalc() { clearFlag(ChildNeedsStyleRecalcFlag); }
 
     void setNeedsStyleRecalc(StyleChangeType = SubtreeStyleChange, StyleChangeSource = StyleChangeFromCSS);
-    void clearNeedsStyleRecalc()
-    {
-        m_nodeFlags &= ~StyleChangeMask;
-        clearFlag(NotifyRendererWithIdenticalStyles);
-    }
+    void clearNeedsStyleRecalc();
 
     bool childNeedsDistributionRecalc() const { return getFlag(ChildNeedsDistributionRecalc); }
     void setChildNeedsDistributionRecalc()  { setFlag(ChildNeedsDistributionRecalc); }
@@ -503,7 +499,7 @@
     bool contains(const Node*) const;
     bool containsIncludingShadowDOM(const Node*) const;
     bool containsIncludingHostElements(const Node&) const;
-    Node* commonAncestorOverShadowBoundary(const Node&);
+    Node* commonAncestor(const Node&, Node* (*parent)(const Node&));
 
     // FIXME: Remove this when crbug.com/265716 cleans up contains semantics.
     bool bindingsContains(const Node* node) const { return containsIncludingShadowDOM(node); }
diff --git a/Source/core/dom/custom/CustomElement.cpp b/Source/core/dom/custom/CustomElement.cpp
index eea313c..0dc1683 100644
--- a/Source/core/dom/custom/CustomElement.cpp
+++ b/Source/core/dom/custom/CustomElement.cpp
@@ -124,7 +124,7 @@
     ASSERT(element->customElementState() == Element::Upgraded);
     if (!document.domWindow())
         return;
-    CustomElementCallbackScheduler::scheduleEnteredViewCallback(definitionFor(element)->callbacks(), element);
+    CustomElementCallbackScheduler::scheduleAttachedCallback(definitionFor(element)->callbacks(), element);
 }
 
 void CustomElement::didLeaveDocument(Element* element, const Document& document)
@@ -132,7 +132,7 @@
     ASSERT(element->customElementState() == Element::Upgraded);
     if (!document.domWindow())
         return;
-    CustomElementCallbackScheduler::scheduleLeftViewCallback(definitionFor(element)->callbacks(), element);
+    CustomElementCallbackScheduler::scheduleDetachedCallback(definitionFor(element)->callbacks(), element);
 }
 
 void CustomElement::wasDestroyed(Element* element)
diff --git a/Source/core/dom/custom/CustomElementCallbackInvocation.cpp b/Source/core/dom/custom/CustomElementCallbackInvocation.cpp
index 7263ffc..e4fb331 100644
--- a/Source/core/dom/custom/CustomElementCallbackInvocation.cpp
+++ b/Source/core/dom/custom/CustomElementCallbackInvocation.cpp
@@ -51,13 +51,13 @@
 void CreatedInvocation::dispatch(Element* element)
 {
     if (element->inDocument() && element->document().domWindow())
-        CustomElementCallbackScheduler::scheduleEnteredViewCallback(callbacks(), element);
+        CustomElementCallbackScheduler::scheduleAttachedCallback(callbacks(), element);
     callbacks()->created(element);
 }
 
-class EnteredLeftViewInvocation : public CustomElementCallbackInvocation {
+class AttachedDetachedInvocation : public CustomElementCallbackInvocation {
 public:
-    EnteredLeftViewInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, CustomElementLifecycleCallbacks::CallbackType which);
+    AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, CustomElementLifecycleCallbacks::CallbackType which);
 
 private:
     virtual void dispatch(Element*) OVERRIDE;
@@ -65,21 +65,21 @@
     CustomElementLifecycleCallbacks::CallbackType m_which;
 };
 
-EnteredLeftViewInvocation::EnteredLeftViewInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
+AttachedDetachedInvocation::AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
     : CustomElementCallbackInvocation(callbacks)
     , m_which(which)
 {
-    ASSERT(m_which == CustomElementLifecycleCallbacks::EnteredView || m_which == CustomElementLifecycleCallbacks::LeftView);
+    ASSERT(m_which == CustomElementLifecycleCallbacks::Attached || m_which == CustomElementLifecycleCallbacks::Detached);
 }
 
-void EnteredLeftViewInvocation::dispatch(Element* element)
+void AttachedDetachedInvocation::dispatch(Element* element)
 {
     switch (m_which) {
-    case CustomElementLifecycleCallbacks::EnteredView:
-        callbacks()->enteredView(element);
+    case CustomElementLifecycleCallbacks::Attached:
+        callbacks()->attached(element);
         break;
-    case CustomElementLifecycleCallbacks::LeftView:
-        callbacks()->leftView(element);
+    case CustomElementLifecycleCallbacks::Detached:
+        callbacks()->detached(element);
         break;
     default:
         ASSERT_NOT_REACHED();
@@ -117,9 +117,9 @@
     case CustomElementLifecycleCallbacks::Created:
         return adoptPtr(new CreatedInvocation(callbacks));
 
-    case CustomElementLifecycleCallbacks::EnteredView:
-    case CustomElementLifecycleCallbacks::LeftView:
-        return adoptPtr(new EnteredLeftViewInvocation(callbacks, which));
+    case CustomElementLifecycleCallbacks::Attached:
+    case CustomElementLifecycleCallbacks::Detached:
+        return adoptPtr(new AttachedDetachedInvocation(callbacks, which));
 
     default:
         ASSERT_NOT_REACHED();
diff --git a/Source/core/dom/custom/CustomElementCallbackScheduler.cpp b/Source/core/dom/custom/CustomElementCallbackScheduler.cpp
index 2d36478..fc3c90c 100644
--- a/Source/core/dom/custom/CustomElementCallbackScheduler.cpp
+++ b/Source/core/dom/custom/CustomElementCallbackScheduler.cpp
@@ -55,22 +55,22 @@
     queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, CustomElementLifecycleCallbacks::Created));
 }
 
-void CustomElementCallbackScheduler::scheduleEnteredViewCallback(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, PassRefPtr<Element> element)
+void CustomElementCallbackScheduler::scheduleAttachedCallback(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, PassRefPtr<Element> element)
 {
-    if (!callbacks->hasEnteredViewCallback())
+    if (!callbacks->hasAttachedCallback())
         return;
 
     CustomElementCallbackQueue* queue = instance().schedule(element);
-    queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, CustomElementLifecycleCallbacks::EnteredView));
+    queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, CustomElementLifecycleCallbacks::Attached));
 }
 
-void CustomElementCallbackScheduler::scheduleLeftViewCallback(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, PassRefPtr<Element> element)
+void CustomElementCallbackScheduler::scheduleDetachedCallback(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, PassRefPtr<Element> element)
 {
-    if (!callbacks->hasLeftViewCallback())
+    if (!callbacks->hasDetachedCallback())
         return;
 
     CustomElementCallbackQueue* queue = instance().schedule(element);
-    queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, CustomElementLifecycleCallbacks::LeftView));
+    queue->append(CustomElementCallbackInvocation::createInvocation(callbacks, CustomElementLifecycleCallbacks::Detached));
 }
 
 CustomElementCallbackScheduler& CustomElementCallbackScheduler::instance()
diff --git a/Source/core/dom/custom/CustomElementCallbackScheduler.h b/Source/core/dom/custom/CustomElementCallbackScheduler.h
index 0311d05..741ede2 100644
--- a/Source/core/dom/custom/CustomElementCallbackScheduler.h
+++ b/Source/core/dom/custom/CustomElementCallbackScheduler.h
@@ -46,8 +46,8 @@
 public:
     static void scheduleAttributeChangedCallback(PassRefPtr<CustomElementLifecycleCallbacks>, PassRefPtr<Element>, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue);
     static void scheduleCreatedCallback(PassRefPtr<CustomElementLifecycleCallbacks>, PassRefPtr<Element>);
-    static void scheduleEnteredViewCallback(PassRefPtr<CustomElementLifecycleCallbacks>, PassRefPtr<Element>);
-    static void scheduleLeftViewCallback(PassRefPtr<CustomElementLifecycleCallbacks>, PassRefPtr<Element>);
+    static void scheduleAttachedCallback(PassRefPtr<CustomElementLifecycleCallbacks>, PassRefPtr<Element>);
+    static void scheduleDetachedCallback(PassRefPtr<CustomElementLifecycleCallbacks>, PassRefPtr<Element>);
 
 protected:
     friend class CustomElementCallbackDispatcher;
diff --git a/Source/core/dom/custom/CustomElementLifecycleCallbacks.h b/Source/core/dom/custom/CustomElementLifecycleCallbacks.h
index eb2f32f..aa182e6 100644
--- a/Source/core/dom/custom/CustomElementLifecycleCallbacks.h
+++ b/Source/core/dom/custom/CustomElementLifecycleCallbacks.h
@@ -45,11 +45,11 @@
     bool hasCreatedCallback() const { return m_which & Created; }
     virtual void created(Element*) = 0;
 
-    bool hasEnteredViewCallback() const { return m_which & EnteredView; }
-    virtual void enteredView(Element*) = 0;
+    bool hasAttachedCallback() const { return m_which & Attached; }
+    virtual void attached(Element*) = 0;
 
-    bool hasLeftViewCallback() const { return m_which & LeftView; }
-    virtual void leftView(Element*) = 0;
+    bool hasDetachedCallback() const { return m_which & Detached; }
+    virtual void detached(Element*) = 0;
 
     bool hasAttributeChangedCallback() const { return m_which & AttributeChanged; }
     virtual void attributeChanged(Element*, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) = 0;
@@ -57,8 +57,8 @@
     enum CallbackType {
         None             = 0,
         Created          = 1 << 0,
-        EnteredView      = 1 << 1,
-        LeftView         = 1 << 2,
+        Attached         = 1 << 1,
+        Detached         = 1 << 2,
         AttributeChanged = 1 << 3
     };
 
diff --git a/Source/core/frame/UseCounter.cpp b/Source/core/frame/UseCounter.cpp
index 520e121..667e5f9 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -646,8 +646,6 @@
     // Web Components
     case HTMLShadowElementOlderShadowRoot:
         return "HTMLShadowElement.olderShadowRoot is deprecated.";
-    case PrefixedDocumentRegister:
-        return "The document.webkitRegister method is deprecated. Use the document.register method instead.";
 
     // HTML Media Capture
     case CaptureAttributeAsEnum:
diff --git a/Source/core/frame/UseCounter.h b/Source/core/frame/UseCounter.h
index 83da16a..4f0c2fd 100644
--- a/Source/core/frame/UseCounter.h
+++ b/Source/core/frame/UseCounter.h
@@ -140,7 +140,7 @@
         XSLProcessingInstruction,
         XSLTProcessor,
         SVGSwitchElement,
-        PrefixedDocumentRegister,
+        UnusedSlot05, // Removed, was document.webkitRegister
         HTMLShadowElementOlderShadowRoot,
         DocumentAll,
         FormElement,
diff --git a/Source/core/inspector/InspectorDOMAgent.cpp b/Source/core/inspector/InspectorDOMAgent.cpp
index 4d48c5c..a8f12bb 100644
--- a/Source/core/inspector/InspectorDOMAgent.cpp
+++ b/Source/core/inspector/InspectorDOMAgent.cpp
@@ -1938,17 +1938,6 @@
     m_frontend->pseudoElementRemoved(parentId, pseudoElementId);
 }
 
-void InspectorDOMAgent::pseudoStateChanged(Node* node)
-{
-    if (!node->isElementNode())
-        return;
-
-    int nodeId = m_documentNodeToIdMap.get(node);
-    if (!nodeId)
-        return;
-    m_frontend->pseudoStateChanged(nodeId);
-}
-
 Node* InspectorDOMAgent::nodeForPath(const String& path)
 {
     // The path is of form "1,HTML,2,BODY,1,DIV"
diff --git a/Source/core/inspector/InspectorDOMAgent.h b/Source/core/inspector/InspectorDOMAgent.h
index 860fdb3..c1042f5 100644
--- a/Source/core/inspector/InspectorDOMAgent.h
+++ b/Source/core/inspector/InspectorDOMAgent.h
@@ -174,7 +174,6 @@
     void frameDocumentUpdated(Frame*);
     void pseudoElementCreated(PseudoElement*);
     void pseudoElementDestroyed(PseudoElement*);
-    void pseudoStateChanged(Node*);
 
     int pushNodeToFrontend(ErrorString*, int documentNodeId, Node*);
     Node* nodeForId(int nodeId);
diff --git a/Source/core/inspector/InspectorInstrumentation.idl b/Source/core/inspector/InspectorInstrumentation.idl
index 02e8591..548af1f 100644
--- a/Source/core/inspector/InspectorInstrumentation.idl
+++ b/Source/core/inspector/InspectorInstrumentation.idl
@@ -91,9 +91,6 @@
     [DOM, DOMDebugger, Inline=FastReturn]
     void didInvalidateStyleAttr([Keep] Node*);
 
-    [DOM, Inline=FastReturn]
-    void pseudoStateChanged([Keep] Node*);
-
     [CSS, Inline=FastReturn]
     void willMutateRules(CSSStyleSheet*);
 
diff --git a/Source/core/make_core_derived_sources.target.darwin-arm.mk b/Source/core/make_core_derived_sources.target.darwin-arm.mk
index 082fd02..7310024 100644
--- a/Source/core/make_core_derived_sources.target.darwin-arm.mk
+++ b/Source/core/make_core_derived_sources.target.darwin-arm.mk
@@ -62,7 +62,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_property_names.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSPropertyNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSPropertyNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSPropertyNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.h: $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp ;
 
@@ -96,7 +96,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_value_keywords.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSValueKeywords.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSValueKeywords.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSValueKeywords ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.h: $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp ;
 
@@ -182,7 +182,7 @@
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_qualified_names.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.cpp.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.h.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLTagNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLAttributeNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_MathMLNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.h: $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp ;
 
@@ -193,7 +193,7 @@
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: $(LOCAL_PATH)/third_party/WebKit/Source/core/css/make-css-file-arrays.pl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/preprocessor.pm $(LOCAL_PATH)/third_party/WebKit/Source/core/css/html.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/quirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/view-source.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromium.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumLinux.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumSkia.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWin.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWinQuirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/svg.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControls.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControlsAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/fullscreen.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/xhtmlmp.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/viewportAndroid.css $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_UserAgentStyleSheets ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp: $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h ;
 
diff --git a/Source/core/make_core_derived_sources.target.darwin-mips.mk b/Source/core/make_core_derived_sources.target.darwin-mips.mk
index d638077..56949cb 100644
--- a/Source/core/make_core_derived_sources.target.darwin-mips.mk
+++ b/Source/core/make_core_derived_sources.target.darwin-mips.mk
@@ -62,7 +62,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_property_names.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSPropertyNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSPropertyNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSPropertyNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.h: $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp ;
 
@@ -96,7 +96,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_value_keywords.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSValueKeywords.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSValueKeywords.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSValueKeywords ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.h: $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp ;
 
@@ -182,7 +182,7 @@
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_qualified_names.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.cpp.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.h.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLTagNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLAttributeNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_MathMLNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.h: $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp ;
 
@@ -193,7 +193,7 @@
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: $(LOCAL_PATH)/third_party/WebKit/Source/core/css/make-css-file-arrays.pl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/preprocessor.pm $(LOCAL_PATH)/third_party/WebKit/Source/core/css/html.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/quirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/view-source.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromium.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumLinux.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumSkia.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWin.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWinQuirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/svg.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControls.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControlsAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/fullscreen.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/xhtmlmp.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/viewportAndroid.css $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_UserAgentStyleSheets ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp: $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h ;
 
diff --git a/Source/core/make_core_derived_sources.target.darwin-x86.mk b/Source/core/make_core_derived_sources.target.darwin-x86.mk
index ea947c5..8562cdf 100644
--- a/Source/core/make_core_derived_sources.target.darwin-x86.mk
+++ b/Source/core/make_core_derived_sources.target.darwin-x86.mk
@@ -62,7 +62,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_property_names.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSPropertyNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSPropertyNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSPropertyNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.h: $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp ;
 
@@ -96,7 +96,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_value_keywords.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSValueKeywords.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSValueKeywords.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSValueKeywords ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.h: $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp ;
 
@@ -182,7 +182,7 @@
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_qualified_names.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.cpp.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.h.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLTagNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLAttributeNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_MathMLNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.h: $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp ;
 
@@ -193,7 +193,7 @@
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: $(LOCAL_PATH)/third_party/WebKit/Source/core/css/make-css-file-arrays.pl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/preprocessor.pm $(LOCAL_PATH)/third_party/WebKit/Source/core/css/html.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/quirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/view-source.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromium.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumLinux.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumSkia.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWin.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWinQuirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/svg.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControls.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControlsAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/fullscreen.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/xhtmlmp.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/viewportAndroid.css $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_UserAgentStyleSheets ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp: $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h ;
 
diff --git a/Source/core/make_core_derived_sources.target.linux-arm.mk b/Source/core/make_core_derived_sources.target.linux-arm.mk
index 082fd02..7310024 100644
--- a/Source/core/make_core_derived_sources.target.linux-arm.mk
+++ b/Source/core/make_core_derived_sources.target.linux-arm.mk
@@ -62,7 +62,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_property_names.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSPropertyNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSPropertyNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSPropertyNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.h: $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp ;
 
@@ -96,7 +96,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_value_keywords.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSValueKeywords.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSValueKeywords.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSValueKeywords ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.h: $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp ;
 
@@ -182,7 +182,7 @@
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_qualified_names.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.cpp.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.h.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLTagNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLAttributeNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_MathMLNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.h: $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp ;
 
@@ -193,7 +193,7 @@
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: $(LOCAL_PATH)/third_party/WebKit/Source/core/css/make-css-file-arrays.pl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/preprocessor.pm $(LOCAL_PATH)/third_party/WebKit/Source/core/css/html.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/quirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/view-source.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromium.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumLinux.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumSkia.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWin.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWinQuirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/svg.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControls.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControlsAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/fullscreen.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/xhtmlmp.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/viewportAndroid.css $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_UserAgentStyleSheets ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp: $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h ;
 
diff --git a/Source/core/make_core_derived_sources.target.linux-mips.mk b/Source/core/make_core_derived_sources.target.linux-mips.mk
index d638077..56949cb 100644
--- a/Source/core/make_core_derived_sources.target.linux-mips.mk
+++ b/Source/core/make_core_derived_sources.target.linux-mips.mk
@@ -62,7 +62,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_property_names.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSPropertyNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSPropertyNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSPropertyNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.h: $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp ;
 
@@ -96,7 +96,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_value_keywords.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSValueKeywords.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSValueKeywords.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSValueKeywords ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.h: $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp ;
 
@@ -182,7 +182,7 @@
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_qualified_names.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.cpp.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.h.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLTagNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLAttributeNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_MathMLNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.h: $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp ;
 
@@ -193,7 +193,7 @@
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: $(LOCAL_PATH)/third_party/WebKit/Source/core/css/make-css-file-arrays.pl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/preprocessor.pm $(LOCAL_PATH)/third_party/WebKit/Source/core/css/html.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/quirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/view-source.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromium.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumLinux.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumSkia.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWin.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWinQuirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/svg.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControls.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControlsAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/fullscreen.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/xhtmlmp.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/viewportAndroid.css $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_UserAgentStyleSheets ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp: $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h ;
 
diff --git a/Source/core/make_core_derived_sources.target.linux-x86.mk b/Source/core/make_core_derived_sources.target.linux-x86.mk
index ea947c5..8562cdf 100644
--- a/Source/core/make_core_derived_sources.target.linux-x86.mk
+++ b/Source/core/make_core_derived_sources.target.linux-x86.mk
@@ -62,7 +62,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_property_names.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSPropertyNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSPropertyNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSPropertyNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_css_property_names.py css/CSSPropertyNames.in css/SVGCSSPropertyNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.h: $(gyp_shared_intermediate_dir)/blink/CSSPropertyNames.cpp ;
 
@@ -96,7 +96,7 @@
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_css_value_keywords.py $(LOCAL_PATH)/third_party/WebKit/Source/core/css/CSSValueKeywords.in $(LOCAL_PATH)/third_party/WebKit/Source/core/css/SVGCSSValueKeywords.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_CSSValueKeywords ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; ../build/scripts/make_css_value_keywords.py css/CSSValueKeywords.in css/SVGCSSValueKeywords.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.h: $(gyp_shared_intermediate_dir)/blink/CSSValueKeywords.cpp ;
 
@@ -182,7 +182,7 @@
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp: $(LOCAL_PATH)/third_party/jinja2/__init__.py $(LOCAL_PATH)/third_party/markupsafe/__init__.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/hasher.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_file.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/in_generator.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/license.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_macros.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/name_utilities.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/template_expander.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/macros.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/make_qualified_names.py $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.cpp.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/templates/MakeQualifiedNames.h.tmpl $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLTagNames.in $(LOCAL_PATH)/third_party/WebKit/Source/core/html/parser/MathMLAttributeNames.in $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_MathMLNames ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/make_qualified_names.py html/parser/MathMLTagNames.in html/parser/MathMLAttributeNames.in --output_dir "$(gyp_shared_intermediate_dir)/blink" --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/MathMLNames.h: $(gyp_shared_intermediate_dir)/blink/MathMLNames.cpp ;
 
@@ -193,7 +193,7 @@
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h: $(LOCAL_PATH)/third_party/WebKit/Source/core/css/make-css-file-arrays.pl $(LOCAL_PATH)/third_party/WebKit/Source/build/scripts/preprocessor.pm $(LOCAL_PATH)/third_party/WebKit/Source/core/css/html.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/quirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/view-source.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromium.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumLinux.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeChromiumSkia.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWin.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/themeWinQuirks.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/svg.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControls.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/mediaControlsAndroid.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/fullscreen.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/xhtmlmp.css $(LOCAL_PATH)/third_party/WebKit/Source/core/css/viewportAndroid.css $(GYP_TARGET_DEPENDENCIES)
 	@echo "Gyp action: third_party_WebKit_Source_core_core_derived_sources_gyp_make_core_derived_sources_target_UserAgentStyleSheets ($@)"
-	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
+	$(hide)cd $(gyp_local_path)/third_party/WebKit/Source/core; mkdir -p $(gyp_shared_intermediate_dir)/blink; python ../build/scripts/action_useragentstylesheets.py "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h" "$(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp" css/html.css css/quirks.css css/view-source.css css/themeChromium.css css/themeChromiumAndroid.css css/themeChromiumLinux.css css/themeChromiumSkia.css css/themeWin.css css/themeWinQuirks.css css/svg.css css/mediaControls.css css/mediaControlsAndroid.css css/fullscreen.css css/xhtmlmp.css css/viewportAndroid.css -- css/make-css-file-arrays.pl ../build/scripts/preprocessor.pm -- --defines "\"ENABLE_CUSTOM_SCHEME_HANDLER=0\" \"ENABLE_SVG_FONTS=1\" \"ENABLE_GDI_FONTS_ON_WINDOWS=0\" \"ENABLE_HARFBUZZ_ON_WINDOWS=1\" \"WTF_USE_CONCATENATED_IMPULSE_RESPONSES=1\" \"ENABLE_FAST_MOBILE_SCROLLING=1\" \"ENABLE_INPUT_SPEECH=0\" \"ENABLE_LEGACY_NOTIFICATIONS=0\" \"ENABLE_MEDIA_CAPTURE=1\" \"ENABLE_ORIENTATION_EVENTS=1\" \"ENABLE_TOUCH_ICON_LOADING=1\" \"ENABLE_NAVIGATOR_CONTENT_UTILS=0\" \"ENABLE_OPENTYPE_VERTICAL=1\""
 
 $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheetsData.cpp: $(gyp_shared_intermediate_dir)/blink/UserAgentStyleSheets.h ;
 
diff --git a/Source/core/page/EventHandler.cpp b/Source/core/page/EventHandler.cpp
index 24b02a8..40b59aa 100644
--- a/Source/core/page/EventHandler.cpp
+++ b/Source/core/page/EventHandler.cpp
@@ -1613,6 +1613,15 @@
     m_clickNode = 0;
 }
 
+static Node* parentForClickEvent(const Node& node)
+{
+    // IE doesn't dispatch click events for mousedown/mouseup events across form
+    // controls.
+    if (node.isHTMLElement() && toHTMLElement(node).isInteractiveContent())
+        return 0;
+    return node.parentOrShadowHostNode();
+}
+
 bool EventHandler::handleMouseReleaseEvent(const PlatformMouseEvent& mouseEvent)
 {
     RefPtr<FrameView> protector(m_frame->view());
@@ -1677,7 +1686,7 @@
 
     bool swallowClickEvent = false;
     if (m_clickCount > 0 && !contextMenuEvent && mev.targetNode() && m_clickNode) {
-        if (Node* clickTargetNode = mev.targetNode()->commonAncestorOverShadowBoundary(*m_clickNode))
+        if (Node* clickTargetNode = mev.targetNode()->commonAncestor(*m_clickNode, parentForClickEvent))
             swallowClickEvent = !dispatchMouseEvent(EventTypeNames::click, clickTargetNode, true, m_clickCount, mouseEvent, true);
     }
 
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index cab494d..20f652f 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -28,7 +28,6 @@
 #include "core/accessibility/AXObjectCache.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
-#include "core/dom/Text.h"
 #include "core/events/OverflowEvent.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/Editor.h"
@@ -4866,6 +4865,8 @@
     if (style()->styleType() == FIRST_LETTER)
         return;
 
+    // FIXME: We need to destroy the first-letter object if it is no longer the first child. Need to find
+    // an efficient way to check for that situation though before implementing anything.
     RenderObject* firstLetterBlock = findFirstLetterBlock(this);
     if (!firstLetterBlock)
         return;
@@ -4902,29 +4903,9 @@
     if (!currChild)
         return;
 
+    // If the child already has style, then it has already been created, so we just want
+    // to update it.
     if (currChild->parent()->style()->styleType() == FIRST_LETTER) {
-        // Check if the text fragment(currChild) for the first-letter is not related to the remainingText.
-        RenderObject* remainingText = currChild->parent()->nextSibling();
-        if (remainingText && remainingText->node() && currChild->node() != remainingText->node()) {
-            if (!remainingText->isText() || remainingText->isBR())
-                return;
-
-            if (RenderBoxModelObject* oldFirstLetter = currChild->parent()->isBoxModelObject() ? toRenderBoxModelObject(currChild->parent()) : 0) {
-                if (RenderTextFragment* oldRemainingText = oldFirstLetter->firstLetterRemainingText()) {
-                    LayoutStateDisabler layoutStateDisabler(view());
-                    // Destroy the text fragment for the old first-letter and update oldRemainingText with its DOM text.
-                    oldRemainingText->setText(toText(oldRemainingText->node())->data().impl());
-
-                    if (unsigned newLength = firstLetterLength(toRenderText(remainingText)->originalText()))
-                        createFirstLetterRenderer(firstLetterBlock, remainingText, newLength);
-                }
-            }
-
-            return;
-        }
-
-        // If the child already has style, then it has already been created, so we just want
-        // to update it.
         updateFirstLetterStyle(firstLetterBlock, currChild);
         return;
     }
diff --git a/Source/core/rendering/RenderBoxModelObject.cpp b/Source/core/rendering/RenderBoxModelObject.cpp
index 4e2bfec..caef818 100644
--- a/Source/core/rendering/RenderBoxModelObject.cpp
+++ b/Source/core/rendering/RenderBoxModelObject.cpp
@@ -1007,6 +1007,17 @@
     // Determine the background positioning area and set destRect to the background painting area.
     // destRect will be adjusted later if the background is non-repeating.
     bool fixedAttachment = fillLayer->attachment() == FixedBackgroundAttachment;
+
+#if ENABLE(FAST_MOBILE_SCROLLING)
+    if (view()->frameView() && view()->frameView()->canBlitOnScroll()) {
+        // As a side effect of an optimization to blit on scroll, we do not honor the CSS
+        // property "background-attachment: fixed" because it may result in rendering
+        // artifacts. Note, these artifacts only appear if we are blitting on scroll of
+        // a page that has fixed background images.
+        fixedAttachment = false;
+    }
+#endif
+
     if (!fixedAttachment) {
         geometry.setDestRect(snappedPaintRect);
 
diff --git a/Source/core/rendering/RenderObject.cpp b/Source/core/rendering/RenderObject.cpp
index 75bf14f..711436e 100644
--- a/Source/core/rendering/RenderObject.cpp
+++ b/Source/core/rendering/RenderObject.cpp
@@ -2027,11 +2027,20 @@
         s_affectsParentBlock = false;
 
     if (view()->frameView()) {
-        bool newStyleSlowScroll = newStyle && newStyle->hasFixedBackgroundImage();
-        bool oldStyleSlowScroll = m_style && m_style->hasFixedBackgroundImage();
+        bool shouldBlitOnFixedBackgroundImage = false;
+#if ENABLE(FAST_MOBILE_SCROLLING)
+        // On low-powered/mobile devices, preventing blitting on a scroll can cause noticeable delays
+        // when scrolling a page with a fixed background image. As an optimization, assuming there are
+        // no fixed positoned elements on the page, we can acclerate scrolling (via blitting) if we
+        // ignore the CSS property "background-attachment: fixed".
+        shouldBlitOnFixedBackgroundImage = true;
+#endif
+
+        bool newStyleSlowScroll = newStyle && !shouldBlitOnFixedBackgroundImage && newStyle->hasFixedBackgroundImage();
+        bool oldStyleSlowScroll = m_style && !shouldBlitOnFixedBackgroundImage && m_style->hasFixedBackgroundImage();
 
         bool drawsRootBackground = isRoot() || (isBody() && !rendererHasBackground(document().documentElement()->renderer()));
-        if (drawsRootBackground) {
+        if (drawsRootBackground && !shouldBlitOnFixedBackgroundImage) {
             if (view()->compositor()->supportsFixedRootBackgroundCompositing()) {
                 if (newStyleSlowScroll && newStyle->hasEntirelyFixedBackground())
                     newStyleSlowScroll = false;
diff --git a/Source/core/svg/SVGAElement.cpp b/Source/core/svg/SVGAElement.cpp
index ed5d32d..4cac139 100644
--- a/Source/core/svg/SVGAElement.cpp
+++ b/Source/core/svg/SVGAElement.cpp
@@ -234,7 +234,7 @@
     if (parentNode() && parentNode()->isSVGElement())
         return parentNode()->childShouldCreateRenderer(child);
 
-    return SVGElement::childShouldCreateRenderer(child);
+    return SVGGraphicsElement::childShouldCreateRenderer(child);
 }
 
 } // namespace WebCore
diff --git a/Source/core/svg/SVGSwitchElement.cpp b/Source/core/svg/SVGSwitchElement.cpp
index b4719ce..f4c8dd1 100644
--- a/Source/core/svg/SVGSwitchElement.cpp
+++ b/Source/core/svg/SVGSwitchElement.cpp
@@ -54,6 +54,7 @@
 {
     // FIXME: This function does not do what the comment below implies it does.
     // It will create a renderer for any valid SVG element children, not just the first one.
+    bool shouldCreateRenderer = false;
     for (Node* node = firstChild(); node; node = node->nextSibling()) {
         if (!node->isSVGElement())
             continue;
@@ -62,10 +63,11 @@
         if (!element || !element->isValid())
             continue;
 
-        return node == &child; // Only allow this child if it's the first valid child
+        shouldCreateRenderer = node == &child; // Only allow this child if it's the first valid child.
+        break;
     }
 
-    return false;
+    return shouldCreateRenderer && SVGGraphicsElement::childShouldCreateRenderer(child);
 }
 
 RenderObject* SVGSwitchElement::createRenderer(RenderStyle*)
diff --git a/Source/core/webcore_derived.target.darwin-arm.mk b/Source/core/webcore_derived.target.darwin-arm.mk
index c91a0a0..8ba61e3 100644
--- a/Source/core/webcore_derived.target.darwin-arm.mk
+++ b/Source/core/webcore_derived.target.darwin-arm.mk
@@ -398,6 +398,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -553,6 +554,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_derived.target.darwin-mips.mk b/Source/core/webcore_derived.target.darwin-mips.mk
index 906e86a..98c9b4c 100644
--- a/Source/core/webcore_derived.target.darwin-mips.mk
+++ b/Source/core/webcore_derived.target.darwin-mips.mk
@@ -397,6 +397,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -551,6 +552,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_derived.target.darwin-x86.mk b/Source/core/webcore_derived.target.darwin-x86.mk
index 3b3aaaa..2adf449 100644
--- a/Source/core/webcore_derived.target.darwin-x86.mk
+++ b/Source/core/webcore_derived.target.darwin-x86.mk
@@ -400,6 +400,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -558,6 +559,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_derived.target.linux-arm.mk b/Source/core/webcore_derived.target.linux-arm.mk
index c91a0a0..8ba61e3 100644
--- a/Source/core/webcore_derived.target.linux-arm.mk
+++ b/Source/core/webcore_derived.target.linux-arm.mk
@@ -398,6 +398,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -553,6 +554,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_derived.target.linux-mips.mk b/Source/core/webcore_derived.target.linux-mips.mk
index 906e86a..98c9b4c 100644
--- a/Source/core/webcore_derived.target.linux-mips.mk
+++ b/Source/core/webcore_derived.target.linux-mips.mk
@@ -397,6 +397,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -551,6 +552,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_derived.target.linux-x86.mk b/Source/core/webcore_derived.target.linux-x86.mk
index 3b3aaaa..2adf449 100644
--- a/Source/core/webcore_derived.target.linux-x86.mk
+++ b/Source/core/webcore_derived.target.linux-x86.mk
@@ -400,6 +400,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -558,6 +559,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_dom.target.darwin-arm.mk b/Source/core/webcore_dom.target.darwin-arm.mk
index aa8d109..5b7be86 100644
--- a/Source/core/webcore_dom.target.darwin-arm.mk
+++ b/Source/core/webcore_dom.target.darwin-arm.mk
@@ -258,6 +258,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -408,6 +409,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_dom.target.darwin-mips.mk b/Source/core/webcore_dom.target.darwin-mips.mk
index 960e5be..5024506 100644
--- a/Source/core/webcore_dom.target.darwin-mips.mk
+++ b/Source/core/webcore_dom.target.darwin-mips.mk
@@ -257,6 +257,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -406,6 +407,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_dom.target.darwin-x86.mk b/Source/core/webcore_dom.target.darwin-x86.mk
index 42e4ea4..9655ee8 100644
--- a/Source/core/webcore_dom.target.darwin-x86.mk
+++ b/Source/core/webcore_dom.target.darwin-x86.mk
@@ -260,6 +260,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -413,6 +414,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_dom.target.linux-arm.mk b/Source/core/webcore_dom.target.linux-arm.mk
index aa8d109..5b7be86 100644
--- a/Source/core/webcore_dom.target.linux-arm.mk
+++ b/Source/core/webcore_dom.target.linux-arm.mk
@@ -258,6 +258,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -408,6 +409,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_dom.target.linux-mips.mk b/Source/core/webcore_dom.target.linux-mips.mk
index 960e5be..5024506 100644
--- a/Source/core/webcore_dom.target.linux-mips.mk
+++ b/Source/core/webcore_dom.target.linux-mips.mk
@@ -257,6 +257,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -406,6 +407,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_dom.target.linux-x86.mk b/Source/core/webcore_dom.target.linux-x86.mk
index 42e4ea4..9655ee8 100644
--- a/Source/core/webcore_dom.target.linux-x86.mk
+++ b/Source/core/webcore_dom.target.linux-x86.mk
@@ -260,6 +260,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -413,6 +414,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_html.target.darwin-arm.mk b/Source/core/webcore_html.target.darwin-arm.mk
index 25f1740..769220b 100644
--- a/Source/core/webcore_html.target.darwin-arm.mk
+++ b/Source/core/webcore_html.target.darwin-arm.mk
@@ -343,6 +343,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -493,6 +494,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_html.target.darwin-mips.mk b/Source/core/webcore_html.target.darwin-mips.mk
index ab19f84..29292c5 100644
--- a/Source/core/webcore_html.target.darwin-mips.mk
+++ b/Source/core/webcore_html.target.darwin-mips.mk
@@ -342,6 +342,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -491,6 +492,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_html.target.darwin-x86.mk b/Source/core/webcore_html.target.darwin-x86.mk
index 086a3c3..3af0ae3 100644
--- a/Source/core/webcore_html.target.darwin-x86.mk
+++ b/Source/core/webcore_html.target.darwin-x86.mk
@@ -345,6 +345,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -498,6 +499,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_html.target.linux-arm.mk b/Source/core/webcore_html.target.linux-arm.mk
index 25f1740..769220b 100644
--- a/Source/core/webcore_html.target.linux-arm.mk
+++ b/Source/core/webcore_html.target.linux-arm.mk
@@ -343,6 +343,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -493,6 +494,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_html.target.linux-mips.mk b/Source/core/webcore_html.target.linux-mips.mk
index ab19f84..29292c5 100644
--- a/Source/core/webcore_html.target.linux-mips.mk
+++ b/Source/core/webcore_html.target.linux-mips.mk
@@ -342,6 +342,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -491,6 +492,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_html.target.linux-x86.mk b/Source/core/webcore_html.target.linux-x86.mk
index 086a3c3..3af0ae3 100644
--- a/Source/core/webcore_html.target.linux-x86.mk
+++ b/Source/core/webcore_html.target.linux-x86.mk
@@ -345,6 +345,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -498,6 +499,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_platform.target.darwin-arm.mk b/Source/core/webcore_platform.target.darwin-arm.mk
index 917b7c1..7194884 100644
--- a/Source/core/webcore_platform.target.darwin-arm.mk
+++ b/Source/core/webcore_platform.target.darwin-arm.mk
@@ -97,6 +97,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -247,6 +248,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_platform.target.darwin-mips.mk b/Source/core/webcore_platform.target.darwin-mips.mk
index 2dabd33..a7cfbdb 100644
--- a/Source/core/webcore_platform.target.darwin-mips.mk
+++ b/Source/core/webcore_platform.target.darwin-mips.mk
@@ -96,6 +96,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -245,6 +246,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_platform.target.darwin-x86.mk b/Source/core/webcore_platform.target.darwin-x86.mk
index f571cac..31f2e79 100644
--- a/Source/core/webcore_platform.target.darwin-x86.mk
+++ b/Source/core/webcore_platform.target.darwin-x86.mk
@@ -99,6 +99,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -252,6 +253,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_platform.target.linux-arm.mk b/Source/core/webcore_platform.target.linux-arm.mk
index 917b7c1..7194884 100644
--- a/Source/core/webcore_platform.target.linux-arm.mk
+++ b/Source/core/webcore_platform.target.linux-arm.mk
@@ -97,6 +97,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -247,6 +248,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_platform.target.linux-mips.mk b/Source/core/webcore_platform.target.linux-mips.mk
index 2dabd33..a7cfbdb 100644
--- a/Source/core/webcore_platform.target.linux-mips.mk
+++ b/Source/core/webcore_platform.target.linux-mips.mk
@@ -96,6 +96,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -245,6 +246,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_platform.target.linux-x86.mk b/Source/core/webcore_platform.target.linux-x86.mk
index f571cac..31f2e79 100644
--- a/Source/core/webcore_platform.target.linux-x86.mk
+++ b/Source/core/webcore_platform.target.linux-x86.mk
@@ -99,6 +99,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -252,6 +253,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_remaining.target.darwin-arm.mk b/Source/core/webcore_remaining.target.darwin-arm.mk
index daebcea..c3ef26e 100644
--- a/Source/core/webcore_remaining.target.darwin-arm.mk
+++ b/Source/core/webcore_remaining.target.darwin-arm.mk
@@ -593,6 +593,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -744,6 +745,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_remaining.target.darwin-mips.mk b/Source/core/webcore_remaining.target.darwin-mips.mk
index 7df118c..f147cbd 100644
--- a/Source/core/webcore_remaining.target.darwin-mips.mk
+++ b/Source/core/webcore_remaining.target.darwin-mips.mk
@@ -592,6 +592,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -742,6 +743,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_remaining.target.darwin-x86.mk b/Source/core/webcore_remaining.target.darwin-x86.mk
index 08d1acf..cca40b7 100644
--- a/Source/core/webcore_remaining.target.darwin-x86.mk
+++ b/Source/core/webcore_remaining.target.darwin-x86.mk
@@ -595,6 +595,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -749,6 +750,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_remaining.target.linux-arm.mk b/Source/core/webcore_remaining.target.linux-arm.mk
index daebcea..c3ef26e 100644
--- a/Source/core/webcore_remaining.target.linux-arm.mk
+++ b/Source/core/webcore_remaining.target.linux-arm.mk
@@ -593,6 +593,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -744,6 +745,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_remaining.target.linux-mips.mk b/Source/core/webcore_remaining.target.linux-mips.mk
index 7df118c..f147cbd 100644
--- a/Source/core/webcore_remaining.target.linux-mips.mk
+++ b/Source/core/webcore_remaining.target.linux-mips.mk
@@ -592,6 +592,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -742,6 +743,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_remaining.target.linux-x86.mk b/Source/core/webcore_remaining.target.linux-x86.mk
index 08d1acf..cca40b7 100644
--- a/Source/core/webcore_remaining.target.linux-x86.mk
+++ b/Source/core/webcore_remaining.target.linux-x86.mk
@@ -595,6 +595,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -749,6 +750,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_rendering.target.darwin-arm.mk b/Source/core/webcore_rendering.target.darwin-arm.mk
index aa1ace4..a0c67dd 100644
--- a/Source/core/webcore_rendering.target.darwin-arm.mk
+++ b/Source/core/webcore_rendering.target.darwin-arm.mk
@@ -251,6 +251,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -401,6 +402,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_rendering.target.darwin-mips.mk b/Source/core/webcore_rendering.target.darwin-mips.mk
index 5928757..b200f32 100644
--- a/Source/core/webcore_rendering.target.darwin-mips.mk
+++ b/Source/core/webcore_rendering.target.darwin-mips.mk
@@ -250,6 +250,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -399,6 +400,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_rendering.target.darwin-x86.mk b/Source/core/webcore_rendering.target.darwin-x86.mk
index b59d485..26ffba6 100644
--- a/Source/core/webcore_rendering.target.darwin-x86.mk
+++ b/Source/core/webcore_rendering.target.darwin-x86.mk
@@ -254,6 +254,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -408,6 +409,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_rendering.target.linux-arm.mk b/Source/core/webcore_rendering.target.linux-arm.mk
index aa1ace4..a0c67dd 100644
--- a/Source/core/webcore_rendering.target.linux-arm.mk
+++ b/Source/core/webcore_rendering.target.linux-arm.mk
@@ -251,6 +251,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -401,6 +402,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_rendering.target.linux-mips.mk b/Source/core/webcore_rendering.target.linux-mips.mk
index 5928757..b200f32 100644
--- a/Source/core/webcore_rendering.target.linux-mips.mk
+++ b/Source/core/webcore_rendering.target.linux-mips.mk
@@ -250,6 +250,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -399,6 +400,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_rendering.target.linux-x86.mk b/Source/core/webcore_rendering.target.linux-x86.mk
index b59d485..26ffba6 100644
--- a/Source/core/webcore_rendering.target.linux-x86.mk
+++ b/Source/core/webcore_rendering.target.linux-x86.mk
@@ -254,6 +254,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -408,6 +409,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_svg.target.darwin-arm.mk b/Source/core/webcore_svg.target.darwin-arm.mk
index 3324faf..bb10379 100644
--- a/Source/core/webcore_svg.target.darwin-arm.mk
+++ b/Source/core/webcore_svg.target.darwin-arm.mk
@@ -300,6 +300,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -450,6 +451,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_svg.target.darwin-mips.mk b/Source/core/webcore_svg.target.darwin-mips.mk
index 1dfc901..ac17854 100644
--- a/Source/core/webcore_svg.target.darwin-mips.mk
+++ b/Source/core/webcore_svg.target.darwin-mips.mk
@@ -299,6 +299,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -448,6 +449,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_svg.target.darwin-x86.mk b/Source/core/webcore_svg.target.darwin-x86.mk
index ea633aa..3a733bd 100644
--- a/Source/core/webcore_svg.target.darwin-x86.mk
+++ b/Source/core/webcore_svg.target.darwin-x86.mk
@@ -302,6 +302,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -455,6 +456,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_svg.target.linux-arm.mk b/Source/core/webcore_svg.target.linux-arm.mk
index 3324faf..bb10379 100644
--- a/Source/core/webcore_svg.target.linux-arm.mk
+++ b/Source/core/webcore_svg.target.linux-arm.mk
@@ -300,6 +300,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -450,6 +451,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_svg.target.linux-mips.mk b/Source/core/webcore_svg.target.linux-mips.mk
index 1dfc901..ac17854 100644
--- a/Source/core/webcore_svg.target.linux-mips.mk
+++ b/Source/core/webcore_svg.target.linux-mips.mk
@@ -299,6 +299,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -448,6 +449,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/core/webcore_svg.target.linux-x86.mk b/Source/core/webcore_svg.target.linux-x86.mk
index ea633aa..3a733bd 100644
--- a/Source/core/webcore_svg.target.linux-x86.mk
+++ b/Source/core/webcore_svg.target.linux-x86.mk
@@ -302,6 +302,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -455,6 +456,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/devtools/front_end/DOMAgent.js b/Source/devtools/front_end/DOMAgent.js
index 03c497f..09286b7 100644
--- a/Source/devtools/front_end/DOMAgent.js
+++ b/Source/devtools/front_end/DOMAgent.js
@@ -755,8 +755,7 @@
     ChildNodeCountUpdated: "ChildNodeCountUpdated",
     UndoRedoRequested: "UndoRedoRequested",
     UndoRedoCompleted: "UndoRedoCompleted",
-    InspectNodeRequested: "InspectNodeRequested",
-    PseudoStateChanged: "PseudoStateChanged"
+    InspectNodeRequested: "InspectNodeRequested"
 }
 
 WebInspector.DOMAgent.prototype = {
@@ -1119,17 +1118,6 @@
     },
 
     /**
-     * @param {!DOMAgent.NodeId} elementId
-     */
-    _pseudoStateChanged: function(elementId)
-    {
-        var node = this._idToDOMNode[elementId];
-        if (!node)
-            return;
-        this.dispatchEventToListeners(WebInspector.DOMAgent.Events.PseudoStateChanged, node);
-    },
-
-    /**
      * @param {!WebInspector.DOMNode} node
      */
     _unbind: function(node)
@@ -1565,14 +1553,6 @@
     pseudoElementRemoved: function(parentId, pseudoElementId)
     {
         this._domAgent._pseudoElementRemoved(parentId, pseudoElementId);
-    },
-
-    /**
-     * @param {!DOMAgent.NodeId} elementId
-     */
-    pseudoStateChanged: function(elementId)
-    {
-        this._domAgent._pseudoStateChanged(elementId);
     }
 }
 
diff --git a/Source/devtools/front_end/Drawer.js b/Source/devtools/front_end/Drawer.js
index d51ad37..4e60a51 100644
--- a/Source/devtools/front_end/Drawer.js
+++ b/Source/devtools/front_end/Drawer.js
@@ -213,7 +213,8 @@
          */
         function animationCallback(finished)
         {
-            this._inspectorView.currentPanel().doResize();
+            if (this._inspectorView.currentPanel())
+                this._inspectorView.currentPanel().doResize();
             if (!finished)
                 return;
             this._updateTabStrip();
diff --git a/Source/devtools/front_end/StylesSidebarPane.js b/Source/devtools/front_end/StylesSidebarPane.js
index 3bcd543..3a2018b 100644
--- a/Source/devtools/front_end/StylesSidebarPane.js
+++ b/Source/devtools/front_end/StylesSidebarPane.js
@@ -102,7 +102,6 @@
     WebInspector.cssModel.addEventListener(WebInspector.CSSStyleModel.Events.MediaQueryResultChanged, this._styleSheetOrMediaQueryResultChanged, this);
     WebInspector.domAgent.addEventListener(WebInspector.DOMAgent.Events.AttrModified, this._attributeChanged, this);
     WebInspector.domAgent.addEventListener(WebInspector.DOMAgent.Events.AttrRemoved, this._attributeChanged, this);
-    WebInspector.domAgent.addEventListener(WebInspector.DOMAgent.Events.PseudoStateChanged, this._pseudoStateChanged, this);
     WebInspector.settings.showUserAgentStyles.addChangeListener(this._showUserAgentStylesSettingChanged.bind(this));
     WebInspector.resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.FrameResized, this._frameResized, this);
     this.element.classList.add("styles-pane");
@@ -444,18 +443,6 @@
         this._rebuildUpdate();
     },
 
-    _pseudoStateChanged: function(event)
-    {
-        // Do not update edited element styles under our feet.
-        if (this._isEditingStyle || this._userOperation)
-            return;
-
-        if (!this._canAffectCurrentStyles(event.data))
-            return;
-
-        this._rebuildUpdate();
-    },
-
     _canAffectCurrentStyles: function(node)
     {
         return this.node && (this.node === node || node.parentNode === this.node.parentNode || node.isAncestor(this.node));
diff --git a/Source/devtools/protocol.json b/Source/devtools/protocol.json
index a0e0cd5..1c192fb 100644
--- a/Source/devtools/protocol.json
+++ b/Source/devtools/protocol.json
@@ -2399,14 +2399,6 @@
                 ],
                 "description": "Called when a pseudo element is removed from an element.",
                 "hidden": true
-            },
-            {
-                "name": "pseudoStateChanged",
-                "parameters": [
-                    { "name": "nodeId", "$ref": "NodeId", "description": "Id of the element whose pseudo state has changed." }
-                ],
-                "description": "Called when an element's <code>:active</code>, <code>:focus</code>, or <code>:hover</code> pseudo state is changed.",
-                "hidden": true
             }
         ]
     },
diff --git a/Source/heap/asm/SaveRegisters_mips.S b/Source/heap/asm/SaveRegisters_mips.S
new file mode 100644
index 0000000..b9948ef
--- /dev/null
+++ b/Source/heap/asm/SaveRegisters_mips.S
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/*
+ * typedef void (*PushAllRegistersCallback)(SafePointBarrier*, ThreadState*, intptr_t*);
+ * extern "C" void pushAllRegisters(SafePointBarrier*, ThreadState*, PushAllRegistersCallback)
+ */
+
+.type pushAllRegisters, %function
+.global pushAllRegisters
+pushAllRegisters:
+        /* FIXME: Implement the actual stub for mips. */
+        jr $ra
diff --git a/Source/heap/asm/SaveRegisters.asm b/Source/heap/asm/SaveRegisters_x86.asm
similarity index 100%
rename from Source/heap/asm/SaveRegisters.asm
rename to Source/heap/asm/SaveRegisters_x86.asm
diff --git a/Source/heap/blink_heap.gypi b/Source/heap/blink_heap.gypi
index 17bc660..3467957 100755
--- a/Source/heap/blink_heap.gypi
+++ b/Source/heap/blink_heap.gypi
@@ -42,13 +42,19 @@
     ],
     'conditions': [
       ['target_arch == "arm"', {
-       'heap_asm_files': [
-         'asm/SaveRegisters_arm.S',
-       ],
-      }, { # target_arch != "arm"
-       'heap_asm_files': [
-         'asm/SaveRegisters.asm',
-       ],
+        'heap_asm_files': [
+          'asm/SaveRegisters_arm.S',
+        ],
+      }],
+      ['target_arch == "mipsel"', {
+        'heap_asm_files': [
+          'asm/SaveRegisters_mips.S',
+        ],
+      }],
+      ['target_arch == "ia32" or target_arch == "x64"', {
+        'heap_asm_files': [
+          'asm/SaveRegisters_x86.asm',
+        ],
       }],
     ],
   },
diff --git a/Source/heap/blink_heap.target.darwin-arm.mk b/Source/heap/blink_heap.target.darwin-arm.mk
index ead0013..3c845c4 100644
--- a/Source/heap/blink_heap.target.darwin-arm.mk
+++ b/Source/heap/blink_heap.target.darwin-arm.mk
@@ -84,6 +84,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -187,6 +188,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/heap/blink_heap.target.darwin-mips.mk b/Source/heap/blink_heap.target.darwin-mips.mk
index 323510b..f84d6bc 100644
--- a/Source/heap/blink_heap.target.darwin-mips.mk
+++ b/Source/heap/blink_heap.target.darwin-mips.mk
@@ -83,6 +83,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -185,6 +186,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/heap/blink_heap.target.darwin-x86.mk b/Source/heap/blink_heap.target.darwin-x86.mk
index a76670b..e95547c 100644
--- a/Source/heap/blink_heap.target.darwin-x86.mk
+++ b/Source/heap/blink_heap.target.darwin-x86.mk
@@ -86,6 +86,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -192,6 +193,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/heap/blink_heap.target.linux-arm.mk b/Source/heap/blink_heap.target.linux-arm.mk
index ead0013..3c845c4 100644
--- a/Source/heap/blink_heap.target.linux-arm.mk
+++ b/Source/heap/blink_heap.target.linux-arm.mk
@@ -84,6 +84,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -187,6 +188,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/heap/blink_heap.target.linux-mips.mk b/Source/heap/blink_heap.target.linux-mips.mk
index 323510b..f84d6bc 100644
--- a/Source/heap/blink_heap.target.linux-mips.mk
+++ b/Source/heap/blink_heap.target.linux-mips.mk
@@ -83,6 +83,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -185,6 +186,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/heap/blink_heap.target.linux-x86.mk b/Source/heap/blink_heap.target.linux-x86.mk
index a76670b..e95547c 100644
--- a/Source/heap/blink_heap.target.linux-x86.mk
+++ b/Source/heap/blink_heap.target.linux-x86.mk
@@ -86,6 +86,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -192,6 +193,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/heap/blink_heap_asm_stubs.target.darwin-mips.mk b/Source/heap/blink_heap_asm_stubs.target.darwin-mips.mk
index f6448e3..14b7176 100644
--- a/Source/heap/blink_heap_asm_stubs.target.darwin-mips.mk
+++ b/Source/heap/blink_heap_asm_stubs.target.darwin-mips.mk
@@ -12,34 +12,17 @@
 # Make sure our deps are built first.
 GYP_TARGET_DEPENDENCIES :=
 
-
-### Generated for rule "third_party_WebKit_Source_heap_blink_heap_gyp_blink_heap_asm_stubs_target_assemble":
-# "{'inputs': ['$(gyp_shared_intermediate_dir)/yasm'], 'extension': 'asm', 'process_outputs_as_sources': '1', 'outputs': ['$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o'], 'rule_name': 'assemble', 'rule_sources': ['asm/SaveRegisters.asm'], 'action': ['$(gyp_shared_intermediate_dir)/yasm', '-o', '$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o', '$(RULE_SOURCES)'], 'message': 'Compile assembly $(RULE_SOURCES)'}":
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_local_path := $(LOCAL_PATH)
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_intermediate_dir := $(abspath $(gyp_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_shared_intermediate_dir := $(abspath $(gyp_shared_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: $(LOCAL_PATH)/third_party/WebKit/Source/heap/asm/SaveRegisters.asm $(gyp_shared_intermediate_dir)/yasm $(GYP_TARGET_DEPENDENCIES)
-	mkdir -p $(gyp_shared_intermediate_dir)/webcore/heap; cd $(gyp_local_path)/third_party/WebKit/Source/heap; "$(gyp_shared_intermediate_dir)/yasm" -o "$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o" asm/SaveRegisters.asm
-
-.PHONY: third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
-third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger: $(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
-
-### Finished generating for all rules
-
-GYP_GENERATED_OUTPUTS := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
+GYP_GENERATED_OUTPUTS :=
 
 # Make sure our deps and generated files are built first.
 LOCAL_ADDITIONAL_DEPENDENCIES := $(GYP_TARGET_DEPENDENCIES) $(GYP_GENERATED_OUTPUTS)
 
-LOCAL_GENERATED_SOURCES := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o \
-	third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
+LOCAL_GENERATED_SOURCES :=
 
 GYP_COPIED_SOURCE_ORIGIN_DIRS :=
 
-LOCAL_SRC_FILES :=
+LOCAL_SRC_FILES := \
+	third_party/WebKit/Source/heap/asm/SaveRegisters_mips.S
 
 
 # Flags passed to both C and C++ files.
diff --git a/Source/heap/blink_heap_asm_stubs.target.darwin-x86.mk b/Source/heap/blink_heap_asm_stubs.target.darwin-x86.mk
index 6288906..04f780c 100644
--- a/Source/heap/blink_heap_asm_stubs.target.darwin-x86.mk
+++ b/Source/heap/blink_heap_asm_stubs.target.darwin-x86.mk
@@ -15,27 +15,27 @@
 
 
 ### Generated for rule "third_party_WebKit_Source_heap_blink_heap_gyp_blink_heap_asm_stubs_target_assemble":
-# "{'inputs': ['$(gyp_shared_intermediate_dir)/yasm'], 'extension': 'asm', 'process_outputs_as_sources': '1', 'outputs': ['$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o'], 'rule_name': 'assemble', 'rule_sources': ['asm/SaveRegisters.asm'], 'action': ['$(gyp_shared_intermediate_dir)/yasm', '-DIA32=1', '-felf32', '-m', 'x86', '-o', '$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o', '$(RULE_SOURCES)'], 'message': 'Compile assembly $(RULE_SOURCES)'}":
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_local_path := $(LOCAL_PATH)
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_intermediate_dir := $(abspath $(gyp_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_shared_intermediate_dir := $(abspath $(gyp_shared_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: $(LOCAL_PATH)/third_party/WebKit/Source/heap/asm/SaveRegisters.asm $(gyp_shared_intermediate_dir)/yasm $(GYP_TARGET_DEPENDENCIES)
-	mkdir -p $(gyp_shared_intermediate_dir)/webcore/heap; cd $(gyp_local_path)/third_party/WebKit/Source/heap; "$(gyp_shared_intermediate_dir)/yasm" "-DIA32=1" -felf32 -m x86 -o "$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o" asm/SaveRegisters.asm
+# "{'inputs': ['$(gyp_shared_intermediate_dir)/yasm'], 'extension': 'asm', 'process_outputs_as_sources': '1', 'outputs': ['$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o'], 'rule_name': 'assemble', 'rule_sources': ['asm/SaveRegisters_x86.asm'], 'action': ['$(gyp_shared_intermediate_dir)/yasm', '-DIA32=1', '-felf32', '-m', 'x86', '-o', '$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o', '$(RULE_SOURCES)'], 'message': 'Compile assembly $(RULE_SOURCES)'}":
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: gyp_local_path := $(LOCAL_PATH)
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: gyp_intermediate_dir := $(abspath $(gyp_intermediate_dir))
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: gyp_shared_intermediate_dir := $(abspath $(gyp_shared_intermediate_dir))
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: $(LOCAL_PATH)/third_party/WebKit/Source/heap/asm/SaveRegisters_x86.asm $(gyp_shared_intermediate_dir)/yasm $(GYP_TARGET_DEPENDENCIES)
+	mkdir -p $(gyp_shared_intermediate_dir)/webcore/heap; cd $(gyp_local_path)/third_party/WebKit/Source/heap; "$(gyp_shared_intermediate_dir)/yasm" "-DIA32=1" -felf32 -m x86 -o "$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o" asm/SaveRegisters_x86.asm
 
 .PHONY: third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
-third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger: $(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
+third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger: $(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o
 
 ### Finished generating for all rules
 
 GYP_GENERATED_OUTPUTS := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
+	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o
 
 # Make sure our deps and generated files are built first.
 LOCAL_ADDITIONAL_DEPENDENCIES := $(GYP_TARGET_DEPENDENCIES) $(GYP_GENERATED_OUTPUTS)
 
 LOCAL_GENERATED_SOURCES := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o \
+	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o \
 	third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
 
 GYP_COPIED_SOURCE_ORIGIN_DIRS :=
diff --git a/Source/heap/blink_heap_asm_stubs.target.linux-mips.mk b/Source/heap/blink_heap_asm_stubs.target.linux-mips.mk
index f6448e3..14b7176 100644
--- a/Source/heap/blink_heap_asm_stubs.target.linux-mips.mk
+++ b/Source/heap/blink_heap_asm_stubs.target.linux-mips.mk
@@ -12,34 +12,17 @@
 # Make sure our deps are built first.
 GYP_TARGET_DEPENDENCIES :=
 
-
-### Generated for rule "third_party_WebKit_Source_heap_blink_heap_gyp_blink_heap_asm_stubs_target_assemble":
-# "{'inputs': ['$(gyp_shared_intermediate_dir)/yasm'], 'extension': 'asm', 'process_outputs_as_sources': '1', 'outputs': ['$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o'], 'rule_name': 'assemble', 'rule_sources': ['asm/SaveRegisters.asm'], 'action': ['$(gyp_shared_intermediate_dir)/yasm', '-o', '$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o', '$(RULE_SOURCES)'], 'message': 'Compile assembly $(RULE_SOURCES)'}":
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_local_path := $(LOCAL_PATH)
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_intermediate_dir := $(abspath $(gyp_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_shared_intermediate_dir := $(abspath $(gyp_shared_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: $(LOCAL_PATH)/third_party/WebKit/Source/heap/asm/SaveRegisters.asm $(gyp_shared_intermediate_dir)/yasm $(GYP_TARGET_DEPENDENCIES)
-	mkdir -p $(gyp_shared_intermediate_dir)/webcore/heap; cd $(gyp_local_path)/third_party/WebKit/Source/heap; "$(gyp_shared_intermediate_dir)/yasm" -o "$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o" asm/SaveRegisters.asm
-
-.PHONY: third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
-third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger: $(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
-
-### Finished generating for all rules
-
-GYP_GENERATED_OUTPUTS := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
+GYP_GENERATED_OUTPUTS :=
 
 # Make sure our deps and generated files are built first.
 LOCAL_ADDITIONAL_DEPENDENCIES := $(GYP_TARGET_DEPENDENCIES) $(GYP_GENERATED_OUTPUTS)
 
-LOCAL_GENERATED_SOURCES := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o \
-	third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
+LOCAL_GENERATED_SOURCES :=
 
 GYP_COPIED_SOURCE_ORIGIN_DIRS :=
 
-LOCAL_SRC_FILES :=
+LOCAL_SRC_FILES := \
+	third_party/WebKit/Source/heap/asm/SaveRegisters_mips.S
 
 
 # Flags passed to both C and C++ files.
diff --git a/Source/heap/blink_heap_asm_stubs.target.linux-x86.mk b/Source/heap/blink_heap_asm_stubs.target.linux-x86.mk
index 6288906..04f780c 100644
--- a/Source/heap/blink_heap_asm_stubs.target.linux-x86.mk
+++ b/Source/heap/blink_heap_asm_stubs.target.linux-x86.mk
@@ -15,27 +15,27 @@
 
 
 ### Generated for rule "third_party_WebKit_Source_heap_blink_heap_gyp_blink_heap_asm_stubs_target_assemble":
-# "{'inputs': ['$(gyp_shared_intermediate_dir)/yasm'], 'extension': 'asm', 'process_outputs_as_sources': '1', 'outputs': ['$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o'], 'rule_name': 'assemble', 'rule_sources': ['asm/SaveRegisters.asm'], 'action': ['$(gyp_shared_intermediate_dir)/yasm', '-DIA32=1', '-felf32', '-m', 'x86', '-o', '$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o', '$(RULE_SOURCES)'], 'message': 'Compile assembly $(RULE_SOURCES)'}":
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_local_path := $(LOCAL_PATH)
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_intermediate_dir := $(abspath $(gyp_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: gyp_shared_intermediate_dir := $(abspath $(gyp_shared_intermediate_dir))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
-$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o: $(LOCAL_PATH)/third_party/WebKit/Source/heap/asm/SaveRegisters.asm $(gyp_shared_intermediate_dir)/yasm $(GYP_TARGET_DEPENDENCIES)
-	mkdir -p $(gyp_shared_intermediate_dir)/webcore/heap; cd $(gyp_local_path)/third_party/WebKit/Source/heap; "$(gyp_shared_intermediate_dir)/yasm" "-DIA32=1" -felf32 -m x86 -o "$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o" asm/SaveRegisters.asm
+# "{'inputs': ['$(gyp_shared_intermediate_dir)/yasm'], 'extension': 'asm', 'process_outputs_as_sources': '1', 'outputs': ['$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o'], 'rule_name': 'assemble', 'rule_sources': ['asm/SaveRegisters_x86.asm'], 'action': ['$(gyp_shared_intermediate_dir)/yasm', '-DIA32=1', '-felf32', '-m', 'x86', '-o', '$(gyp_shared_intermediate_dir)/webcore/heap/%(INPUT_ROOT)s.o', '$(RULE_SOURCES)'], 'message': 'Compile assembly $(RULE_SOURCES)'}":
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: gyp_local_path := $(LOCAL_PATH)
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: gyp_intermediate_dir := $(abspath $(gyp_intermediate_dir))
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: gyp_shared_intermediate_dir := $(abspath $(gyp_shared_intermediate_dir))
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: export PATH := $(subst $(ANDROID_BUILD_PATHS),,$(PATH))
+$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o: $(LOCAL_PATH)/third_party/WebKit/Source/heap/asm/SaveRegisters_x86.asm $(gyp_shared_intermediate_dir)/yasm $(GYP_TARGET_DEPENDENCIES)
+	mkdir -p $(gyp_shared_intermediate_dir)/webcore/heap; cd $(gyp_local_path)/third_party/WebKit/Source/heap; "$(gyp_shared_intermediate_dir)/yasm" "-DIA32=1" -felf32 -m x86 -o "$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o" asm/SaveRegisters_x86.asm
 
 .PHONY: third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
-third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger: $(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
+third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger: $(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o
 
 ### Finished generating for all rules
 
 GYP_GENERATED_OUTPUTS := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o
+	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o
 
 # Make sure our deps and generated files are built first.
 LOCAL_ADDITIONAL_DEPENDENCIES := $(GYP_TARGET_DEPENDENCIES) $(GYP_GENERATED_OUTPUTS)
 
 LOCAL_GENERATED_SOURCES := \
-	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters.o \
+	$(gyp_shared_intermediate_dir)/webcore/heap/SaveRegisters_x86.o \
 	third_party_WebKit_Source_heap_blink_heap_asm_stubs_gyp_rule_trigger
 
 GYP_COPIED_SOURCE_ORIGIN_DIRS :=
diff --git a/Source/modules/modules.target.darwin-arm.mk b/Source/modules/modules.target.darwin-arm.mk
index 64cf571..a318de8 100644
--- a/Source/modules/modules.target.darwin-arm.mk
+++ b/Source/modules/modules.target.darwin-arm.mk
@@ -353,6 +353,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -491,6 +492,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/modules/modules.target.darwin-mips.mk b/Source/modules/modules.target.darwin-mips.mk
index 9219da8..046bae4 100644
--- a/Source/modules/modules.target.darwin-mips.mk
+++ b/Source/modules/modules.target.darwin-mips.mk
@@ -352,6 +352,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -489,6 +490,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/modules/modules.target.darwin-x86.mk b/Source/modules/modules.target.darwin-x86.mk
index d0c67a4..138e6a7 100644
--- a/Source/modules/modules.target.darwin-x86.mk
+++ b/Source/modules/modules.target.darwin-x86.mk
@@ -355,6 +355,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -496,6 +497,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/modules/modules.target.linux-arm.mk b/Source/modules/modules.target.linux-arm.mk
index 64cf571..a318de8 100644
--- a/Source/modules/modules.target.linux-arm.mk
+++ b/Source/modules/modules.target.linux-arm.mk
@@ -353,6 +353,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -491,6 +492,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/modules/modules.target.linux-mips.mk b/Source/modules/modules.target.linux-mips.mk
index 9219da8..046bae4 100644
--- a/Source/modules/modules.target.linux-mips.mk
+++ b/Source/modules/modules.target.linux-mips.mk
@@ -352,6 +352,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -489,6 +490,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/modules/modules.target.linux-x86.mk b/Source/modules/modules.target.linux-x86.mk
index d0c67a4..138e6a7 100644
--- a/Source/modules/modules.target.linux-x86.mk
+++ b/Source/modules/modules.target.linux-x86.mk
@@ -355,6 +355,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -496,6 +497,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_common.target.darwin-arm.mk b/Source/platform/blink_common.target.darwin-arm.mk
index 3c18843..e83baa8 100644
--- a/Source/platform/blink_common.target.darwin-arm.mk
+++ b/Source/platform/blink_common.target.darwin-arm.mk
@@ -87,6 +87,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -215,6 +216,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_common.target.darwin-mips.mk b/Source/platform/blink_common.target.darwin-mips.mk
index c648a7e..23a6c24 100644
--- a/Source/platform/blink_common.target.darwin-mips.mk
+++ b/Source/platform/blink_common.target.darwin-mips.mk
@@ -86,6 +86,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -213,6 +214,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_common.target.darwin-x86.mk b/Source/platform/blink_common.target.darwin-x86.mk
index ee37ba4..ac2a6f7 100644
--- a/Source/platform/blink_common.target.darwin-x86.mk
+++ b/Source/platform/blink_common.target.darwin-x86.mk
@@ -89,6 +89,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -220,6 +221,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_common.target.linux-arm.mk b/Source/platform/blink_common.target.linux-arm.mk
index 3c18843..e83baa8 100644
--- a/Source/platform/blink_common.target.linux-arm.mk
+++ b/Source/platform/blink_common.target.linux-arm.mk
@@ -87,6 +87,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -215,6 +216,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_common.target.linux-mips.mk b/Source/platform/blink_common.target.linux-mips.mk
index c648a7e..23a6c24 100644
--- a/Source/platform/blink_common.target.linux-mips.mk
+++ b/Source/platform/blink_common.target.linux-mips.mk
@@ -86,6 +86,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -213,6 +214,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_common.target.linux-x86.mk b/Source/platform/blink_common.target.linux-x86.mk
index ee37ba4..ac2a6f7 100644
--- a/Source/platform/blink_common.target.linux-x86.mk
+++ b/Source/platform/blink_common.target.linux-x86.mk
@@ -89,6 +89,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -220,6 +221,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_platform.target.darwin-arm.mk b/Source/platform/blink_platform.target.darwin-arm.mk
index f0d53ff..2647039 100644
--- a/Source/platform/blink_platform.target.darwin-arm.mk
+++ b/Source/platform/blink_platform.target.darwin-arm.mk
@@ -471,6 +471,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -615,6 +616,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_platform.target.darwin-mips.mk b/Source/platform/blink_platform.target.darwin-mips.mk
index 38aa23d..d7992e6 100644
--- a/Source/platform/blink_platform.target.darwin-mips.mk
+++ b/Source/platform/blink_platform.target.darwin-mips.mk
@@ -469,6 +469,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -612,6 +613,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_platform.target.darwin-x86.mk b/Source/platform/blink_platform.target.darwin-x86.mk
index 1f5d37a..36da235 100644
--- a/Source/platform/blink_platform.target.darwin-x86.mk
+++ b/Source/platform/blink_platform.target.darwin-x86.mk
@@ -472,6 +472,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -619,6 +620,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_platform.target.linux-arm.mk b/Source/platform/blink_platform.target.linux-arm.mk
index f0d53ff..2647039 100644
--- a/Source/platform/blink_platform.target.linux-arm.mk
+++ b/Source/platform/blink_platform.target.linux-arm.mk
@@ -471,6 +471,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -615,6 +616,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_platform.target.linux-mips.mk b/Source/platform/blink_platform.target.linux-mips.mk
index 38aa23d..d7992e6 100644
--- a/Source/platform/blink_platform.target.linux-mips.mk
+++ b/Source/platform/blink_platform.target.linux-mips.mk
@@ -469,6 +469,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -612,6 +613,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/blink_platform.target.linux-x86.mk b/Source/platform/blink_platform.target.linux-x86.mk
index 1f5d37a..36da235 100644
--- a/Source/platform/blink_platform.target.linux-x86.mk
+++ b/Source/platform/blink_platform.target.linux-x86.mk
@@ -472,6 +472,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -619,6 +620,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/platform/graphics/ImageDecodingStore.cpp b/Source/platform/graphics/ImageDecodingStore.cpp
index 9add9aa..20ac689 100644
--- a/Source/platform/graphics/ImageDecodingStore.cpp
+++ b/Source/platform/graphics/ImageDecodingStore.cpp
@@ -32,6 +32,9 @@
 
 namespace {
 
+// Allow up to 128 non-accounted discardable entries. Non-accounted entries are
+// entries that do not contribute to the memory usage of the cache.
+static const size_t maxNonAccountedDiscardableEntries = 128;
 // 32MB memory limit for cache.
 static const size_t defaultCacheLimitInBytes = 32768 * 1024;
 static ImageDecodingStore* s_instance = 0;
@@ -46,7 +49,8 @@
 } // namespace
 
 ImageDecodingStore::ImageDecodingStore()
-    : m_cacheLimitInBytes(defaultCacheLimitInBytes)
+    : m_discardableEntriesCount(0)
+    , m_cacheLimitInBytes(defaultCacheLimitInBytes)
     , m_memoryUsageInBytes(0)
 {
 }
@@ -345,10 +349,12 @@
 template<class T, class U, class V>
 void ImageDecodingStore::insertCacheInternal(PassOwnPtr<T> cacheEntry, U* cacheMap, V* identifierMap)
 {
-    // Usage of discardable memory is not counted because we want to use more
-    // than the cache limit allows. Cache limit only applies to non-discardable
-    // objects.
-    if (!cacheEntry->isDiscardable())
+    if (cacheEntry->isDiscardable()) {
+        ++m_discardableEntriesCount;
+        if (m_discardableEntriesCount <= maxNonAccountedDiscardableEntries)
+            cacheEntry->disableAccounting();
+    }
+    if (cacheEntry->isAccountingEnabled())
         incrementMemoryUsage(cacheEntry->memoryUsageInBytes());
 
     // m_orderedCacheList is used to support LRU operations to reorder cache
@@ -368,7 +374,11 @@
 template<class T, class U, class V>
 void ImageDecodingStore::removeFromCacheInternal(const T* cacheEntry, U* cacheMap, V* identifierMap, Vector<OwnPtr<CacheEntry> >* deletionList)
 {
-    if (!cacheEntry->isDiscardable())
+    if (cacheEntry->isDiscardable()) {
+        ASSERT(m_discardableEntriesCount > 0);
+        --m_discardableEntriesCount;
+    }
+    if (cacheEntry->isAccountingEnabled())
         decrementMemoryUsage(cacheEntry->memoryUsageInBytes());
 
     // Remove entry from identifier map.
diff --git a/Source/platform/graphics/ImageDecodingStore.h b/Source/platform/graphics/ImageDecodingStore.h
index afc4c33..07b1672 100644
--- a/Source/platform/graphics/ImageDecodingStore.h
+++ b/Source/platform/graphics/ImageDecodingStore.h
@@ -161,6 +161,7 @@
             : m_generator(generator)
             , m_useCount(useCount)
             , m_isDiscardable(isDiscardable)
+            , m_isAccountingEnabled(true)
             , m_prev(0)
             , m_next(0)
         {
@@ -177,6 +178,9 @@
         void decrementUseCount() { --m_useCount; ASSERT(m_useCount >= 0); }
         bool isDiscardable() const { return m_isDiscardable; }
 
+        void disableAccounting() { m_isAccountingEnabled = false; }
+        bool isAccountingEnabled() const { return m_isAccountingEnabled; }
+
         // FIXME: getSafeSize() returns size in bytes truncated to a 32-bits integer.
         //        Find a way to get the size in 64-bits.
         virtual size_t memoryUsageInBytes() const = 0;
@@ -186,6 +190,7 @@
         const ImageFrameGenerator* m_generator;
         int m_useCount;
         bool m_isDiscardable;
+        bool m_isAccountingEnabled;
 
     private:
         CacheEntry* m_prev;
@@ -316,6 +321,7 @@
     typedef HashMap<const ImageFrameGenerator*, DecoderCacheKeySet> DecoderCacheKeyMap;
     DecoderCacheKeyMap m_decoderCacheKeyMap;
 
+    size_t m_discardableEntriesCount;
     size_t m_cacheLimitInBytes;
     size_t m_memoryUsageInBytes;
 
diff --git a/Source/platform/transforms/TranslateTransformOperation.h b/Source/platform/transforms/TranslateTransformOperation.h
index 35f4c6c..ad6e943 100644
--- a/Source/platform/transforms/TranslateTransformOperation.h
+++ b/Source/platform/transforms/TranslateTransformOperation.h
@@ -73,7 +73,7 @@
 
     virtual bool dependsOnBoxSize() const OVERRIDE
     {
-        return m_x.type() == Percent || m_y.type() == Percent;
+        return m_x.isPercent() || m_y.isPercent();
     }
 
     TranslateTransformOperation(const Length& tx, const Length& ty, const Length& tz, OperationType type)
diff --git a/Source/web/webkit.target.darwin-arm.mk b/Source/web/webkit.target.darwin-arm.mk
index 4923812..a62d7ff 100644
--- a/Source/web/webkit.target.darwin-arm.mk
+++ b/Source/web/webkit.target.darwin-arm.mk
@@ -324,6 +324,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -466,6 +467,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/web/webkit.target.darwin-mips.mk b/Source/web/webkit.target.darwin-mips.mk
index 344ffad..0ea3ad2 100644
--- a/Source/web/webkit.target.darwin-mips.mk
+++ b/Source/web/webkit.target.darwin-mips.mk
@@ -323,6 +323,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -464,6 +465,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/web/webkit.target.darwin-x86.mk b/Source/web/webkit.target.darwin-x86.mk
index b884c3f..0caf281 100644
--- a/Source/web/webkit.target.darwin-x86.mk
+++ b/Source/web/webkit.target.darwin-x86.mk
@@ -326,6 +326,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -471,6 +472,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/web/webkit.target.linux-arm.mk b/Source/web/webkit.target.linux-arm.mk
index 4923812..a62d7ff 100644
--- a/Source/web/webkit.target.linux-arm.mk
+++ b/Source/web/webkit.target.linux-arm.mk
@@ -324,6 +324,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -466,6 +467,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/web/webkit.target.linux-mips.mk b/Source/web/webkit.target.linux-mips.mk
index 344ffad..0ea3ad2 100644
--- a/Source/web/webkit.target.linux-mips.mk
+++ b/Source/web/webkit.target.linux-mips.mk
@@ -323,6 +323,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -464,6 +465,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/web/webkit.target.linux-x86.mk b/Source/web/webkit.target.linux-x86.mk
index b884c3f..0caf281 100644
--- a/Source/web/webkit.target.linux-x86.mk
+++ b/Source/web/webkit.target.linux-x86.mk
@@ -326,6 +326,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -471,6 +472,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/wtf/wtf.target.darwin-arm.mk b/Source/wtf/wtf.target.darwin-arm.mk
index 07d873e..9279da2 100644
--- a/Source/wtf/wtf.target.darwin-arm.mk
+++ b/Source/wtf/wtf.target.darwin-arm.mk
@@ -161,6 +161,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -264,6 +265,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/wtf/wtf.target.darwin-mips.mk b/Source/wtf/wtf.target.darwin-mips.mk
index abb43c9..ae68b90 100644
--- a/Source/wtf/wtf.target.darwin-mips.mk
+++ b/Source/wtf/wtf.target.darwin-mips.mk
@@ -160,6 +160,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -262,6 +263,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/wtf/wtf.target.darwin-x86.mk b/Source/wtf/wtf.target.darwin-x86.mk
index d800b09..44f7010 100644
--- a/Source/wtf/wtf.target.darwin-x86.mk
+++ b/Source/wtf/wtf.target.darwin-x86.mk
@@ -163,6 +163,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -269,6 +270,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/wtf/wtf.target.linux-arm.mk b/Source/wtf/wtf.target.linux-arm.mk
index 07d873e..9279da2 100644
--- a/Source/wtf/wtf.target.linux-arm.mk
+++ b/Source/wtf/wtf.target.linux-arm.mk
@@ -161,6 +161,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -264,6 +265,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/wtf/wtf.target.linux-mips.mk b/Source/wtf/wtf.target.linux-mips.mk
index abb43c9..ae68b90 100644
--- a/Source/wtf/wtf.target.linux-mips.mk
+++ b/Source/wtf/wtf.target.linux-mips.mk
@@ -160,6 +160,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -262,6 +263,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
diff --git a/Source/wtf/wtf.target.linux-x86.mk b/Source/wtf/wtf.target.linux-x86.mk
index d800b09..44f7010 100644
--- a/Source/wtf/wtf.target.linux-x86.mk
+++ b/Source/wtf/wtf.target.linux-x86.mk
@@ -163,6 +163,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \
@@ -269,6 +270,7 @@
 	'-DENABLE_GDI_FONTS_ON_WINDOWS=0' \
 	'-DENABLE_HARFBUZZ_ON_WINDOWS=1' \
 	'-DWTF_USE_CONCATENATED_IMPULSE_RESPONSES=1' \
+	'-DENABLE_FAST_MOBILE_SCROLLING=1' \
 	'-DENABLE_INPUT_SPEECH=0' \
 	'-DENABLE_LEGACY_NOTIFICATIONS=0' \
 	'-DENABLE_MEDIA_CAPTURE=1' \