Remove GrRefCnt.h in favor of SkRefCnt.h

This removes GrRefCnt.h with all its tyepdefs and #defines and just switch them
to the Sk* equivalents.

GrSafeSetNull was promoted to SkSafeSetNull in SkRefCnt.h.

BUG=None
TEST=none, no functional changes.
R=bsalomon@google.com, robertphillips@google.com

Author: tfarina@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23904003

git-svn-id: http://skia.googlecode.com/svn/trunk/include@11151 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/core/SkRefCnt.h b/core/SkRefCnt.h
index 87ff7db..35f7349 100644
--- a/core/SkRefCnt.h
+++ b/core/SkRefCnt.h
@@ -160,6 +160,13 @@
     }
 }
 
+template<typename T> static inline void SkSafeSetNull(T*& obj) {
+    if (NULL != obj) {
+        obj->unref();
+        obj = NULL;
+    }
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 /**
diff --git a/gpu/GrContext.h b/gpu/GrContext.h
index ae549b6..42413fb 100644
--- a/gpu/GrContext.h
+++ b/gpu/GrContext.h
@@ -15,7 +15,6 @@
 #include "GrPathRendererChain.h"
 #include "GrPoint.h"
 #include "GrRenderTarget.h"
-#include "GrRefCnt.h"
 #include "GrTexture.h"
 
 class GrAARectRenderer;
@@ -40,7 +39,7 @@
 class GrSoftwarePathRenderer;
 class SkStrokeRec;
 
-class SK_API GrContext : public GrRefCnt {
+class SK_API GrContext : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrContext)
 
@@ -635,20 +634,20 @@
     public:
         AutoRenderTarget(GrContext* context, GrRenderTarget* target) {
             fPrevTarget = context->getRenderTarget();
-            GrSafeRef(fPrevTarget);
+            SkSafeRef(fPrevTarget);
             context->setRenderTarget(target);
             fContext = context;
         }
         AutoRenderTarget(GrContext* context) {
             fPrevTarget = context->getRenderTarget();
-            GrSafeRef(fPrevTarget);
+            SkSafeRef(fPrevTarget);
             fContext = context;
         }
         ~AutoRenderTarget() {
             if (NULL != fContext) {
                 fContext->setRenderTarget(fPrevTarget);
             }
-            GrSafeUnref(fPrevTarget);
+            SkSafeUnref(fPrevTarget);
         }
     private:
         GrContext*      fContext;
@@ -934,7 +933,7 @@
      */
     static bool OverbudgetCB(void* data);
 
-    typedef GrRefCnt INHERITED;
+    typedef SkRefCnt INHERITED;
 };
 
 /**
diff --git a/gpu/GrEffect.h b/gpu/GrEffect.h
index a84810c..b0d336b 100644
--- a/gpu/GrEffect.h
+++ b/gpu/GrEffect.h
@@ -11,7 +11,6 @@
 #include "GrColor.h"
 #include "GrEffectUnitTest.h"
 #include "GrNoncopyable.h"
-#include "GrRefCnt.h"
 #include "GrTexture.h"
 #include "GrTextureAccess.h"
 #include "GrTypesPriv.h"
@@ -74,13 +73,13 @@
     member function of a GrEffect subclass.
 
     Because almost no code should ever handle a GrEffect directly outside of a GrEffectRef, we
-    privately inherit from GrRefCnt to help prevent accidental direct ref'ing/unref'ing of effects.
+    privately inherit from SkRefCnt to help prevent accidental direct ref'ing/unref'ing of effects.
 
     Dynamically allocated GrEffects and their corresponding GrEffectRefs are managed by a per-thread
     memory pool. The ref count of an effect must reach 0 before the thread terminates and the pool
     is destroyed. To create a static effect use the macro GR_CREATE_STATIC_EFFECT declared below.
   */
-class GrEffect : private GrRefCnt {
+class GrEffect : private SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrEffect)
 
@@ -317,7 +316,7 @@
     bool                                         fWillReadFragmentPosition;
     GrEffectRef*                                 fEffectRef;
 
-    typedef GrRefCnt INHERITED;
+    typedef SkRefCnt INHERITED;
 };
 
 inline GrEffectRef::GrEffectRef(GrEffect* effect) {
diff --git a/gpu/GrFontScaler.h b/gpu/GrFontScaler.h
index f5dcf53..e51c4ac 100644
--- a/gpu/GrFontScaler.h
+++ b/gpu/GrFontScaler.h
@@ -20,7 +20,7 @@
  *  The client is responsible for subclassing, and instantiating this. The
  *  instance is create for a specific font+size+matrix.
  */
-class GrFontScaler : public GrRefCnt {
+class GrFontScaler : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrFontScaler)
 
@@ -32,7 +32,7 @@
     virtual bool getGlyphPath(uint16_t glyphID, SkPath*) = 0;
 
 private:
-    typedef GrRefCnt INHERITED;
+    typedef SkRefCnt INHERITED;
 };
 
 #endif
diff --git a/gpu/GrKey.h b/gpu/GrKey.h
index 80eb537..e9d6feb 100644
--- a/gpu/GrKey.h
+++ b/gpu/GrKey.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2010 Google Inc.
  *
@@ -6,14 +5,10 @@
  * found in the LICENSE file.
  */
 
-
-
 #ifndef GrKey_DEFINED
 #define GrKey_DEFINED
 
-#include "GrRefCnt.h"
-
-class GrKey : public GrRefCnt {
+class GrKey : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrKey)
 
@@ -37,7 +32,7 @@
 private:
     const Hash fHash;
 
-    typedef GrRefCnt INHERITED;
+    typedef SkRefCnt INHERITED;
 };
 
 #endif
diff --git a/gpu/GrPathRendererChain.h b/gpu/GrPathRendererChain.h
index d51a4bb..ca8c35b 100644
--- a/gpu/GrPathRendererChain.h
+++ b/gpu/GrPathRendererChain.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2011 Google Inc.
  *
@@ -6,11 +5,10 @@
  * found in the LICENSE file.
  */
 
-
 #ifndef GrPathRendererChain_DEFINED
 #define GrPathRendererChain_DEFINED
 
-#include "GrRefCnt.h"
+#include "SkRefCnt.h"
 #include "SkTArray.h"
 
 class GrContext;
@@ -64,7 +62,6 @@
                                     StencilSupport* stencilSupport);
 
 private:
-
     GrPathRendererChain();
 
     void init();
@@ -79,5 +76,4 @@
     typedef SkRefCnt INHERITED;
 };
 
-
 #endif
diff --git a/gpu/GrRefCnt.h b/gpu/GrRefCnt.h
deleted file mode 100644
index 31aa80d..0000000
--- a/gpu/GrRefCnt.h
+++ /dev/null
@@ -1,33 +0,0 @@
-
-/*
- * Copyright 2010 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-
-
-#ifndef GrRefCnt_DEFINED
-#define GrRefCnt_DEFINED
-
-#include "GrTypes.h"
-#include "SkRefCnt.h"
-
-typedef SkRefCnt GrRefCnt;
-typedef SkAutoRef GrAutoRef;
-typedef SkAutoUnref GrAutoUnref;
-
-#define GrSafeRef SkSafeRef
-#define GrSafeUnref SkSafeUnref
-#define GrSafeAssign(a, b)  SkRefCnt_SafeAssign(a, b)
-
-template<typename T>
-static inline void GrSafeSetNull(T*& obj) {
-    if (NULL != obj) {
-        obj->unref();
-        obj = NULL;
-    }
-}
-
-#endif
diff --git a/gpu/GrResource.h b/gpu/GrResource.h
index c52fa04..836c215 100644
--- a/gpu/GrResource.h
+++ b/gpu/GrResource.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2011 Google Inc.
  *
@@ -6,12 +5,10 @@
  * found in the LICENSE file.
  */
 
-
 #ifndef GrResource_DEFINED
 #define GrResource_DEFINED
 
-#include "GrRefCnt.h"
-
+#include "SkRefCnt.h"
 #include "SkTInternalLList.h"
 
 class GrGpu;
@@ -21,7 +18,7 @@
 /**
  * Base class for the GPU resources created by a GrContext.
  */
-class GrResource : public GrRefCnt {
+class GrResource : public SkRefCnt {
 public:
     SK_DECLARE_INST_COUNT(GrResource)
 
@@ -111,7 +108,7 @@
     };
     uint32_t         fFlags;
 
-    typedef GrRefCnt INHERITED;
+    typedef SkRefCnt INHERITED;
 };
 
 #endif
diff --git a/gpu/gl/GrGLInterface.h b/gpu/gl/GrGLInterface.h
index b4d3f79..44a9c7c 100644
--- a/gpu/gl/GrGLInterface.h
+++ b/gpu/gl/GrGLInterface.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2011 Google Inc.
  *
@@ -6,12 +5,11 @@
  * found in the LICENSE file.
  */
 
-
 #ifndef GrGLInterface_DEFINED
 #define GrGLInterface_DEFINED
 
 #include "GrGLFunctions.h"
-#include "GrRefCnt.h"
+#include "SkRefCnt.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 
@@ -110,7 +108,7 @@
  * non-NULL or GrContext creation will fail. This can be tested with the
  * validate() method when the OpenGL context has been made current.
  */
-struct SK_API GrGLInterface : public GrRefCnt {
+struct SK_API GrGLInterface : public SkRefCnt {
 private:
     // simple wrapper class that exists only to initialize a pointer to NULL
     template <typename FNPTR_TYPE> class GLPtr {
@@ -122,7 +120,7 @@
         FNPTR_TYPE fPtr;
     };
 
-    typedef GrRefCnt INHERITED;
+    typedef SkRefCnt INHERITED;
 
 public:
     SK_DECLARE_INST_COUNT(GrGLInterface)