Remove format until plugins either need to know or ask to change it.
diff --git a/WebKit/android/plugins/PluginSurface.cpp b/WebKit/android/plugins/PluginSurface.cpp
index e57ecbc..aba0263 100644
--- a/WebKit/android/plugins/PluginSurface.cpp
+++ b/WebKit/android/plugins/PluginSurface.cpp
@@ -150,12 +150,13 @@
 static void sendSurfaceEvent(PluginWidgetAndroid* widget,
         ANPSurfaceAction action, int format = 0, int width = 0,
         int height = 0) {
+    // format is currently not reported to the plugin. The plumbing from Java
+    // to C is still provided in case we add the format back to the event.
     ANPEvent event;
     SkANP::InitEvent(&event, kSurface_ANPEventType);
 
     event.data.surface.action = action;
     if (action == kChanged_ANPSurfaceAction) {
-        event.data.surface.data.changed.format = format;
         event.data.surface.data.changed.width = width;
         event.data.surface.data.changed.height = height;
     }
diff --git a/WebKit/android/plugins/android_npapi.h b/WebKit/android/plugins/android_npapi.h
index 2d86b9c..cfea681 100644
--- a/WebKit/android/plugins/android_npapi.h
+++ b/WebKit/android/plugins/android_npapi.h
@@ -765,7 +765,7 @@
         lock/unlock before this action will fail.
      */
     kCreated_ANPSurfaceAction    = 0,
-    /** The surface has changed format or dimensions.
+    /** The surface's dimension has changed.
      */
     kChanged_ANPSurfaceAction    = 1,
     /** The surface has been destroyed. This happens when the view system has
@@ -829,7 +829,6 @@
                     this struct is undefined.
                   */
                 struct {
-                    int32_t format;
                     int32_t width;
                     int32_t height;
                 } changed;