Merge 114800 - [chromium] Plumb a compositor surface ready notification through to the threaded com…

Source/WebCore/platform/graphics/chromium/cc/CCProxy.h

 /*
  * Copyright (C) 2011 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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 52 matching lines @@
     virtual void startPageScaleAnimation(const IntSize& targetPosition, bool useAnchor, float scale, double durationSec) = 0;
 
     virtual void finishAllRendering() = 0;
 
     virtual bool isStarted() const = 0;
 
     // Attempts to initialize a context to use for rendering. Returns false if the context could not be created.
     // The context will not be used and no frames may be produced until initializeLayerRenderer() is called.
     virtual bool initializeContext() = 0;
 
+    // Indicates that the compositing surface associated with our context is ready to use.
+    virtual void setSurfaceReady() = 0;
+
     // Attempts to initialize the layer renderer. Returns false if the context isn't usable for compositing.
     virtual bool initializeLayerRenderer() = 0;
 
     // Attempts to recreate the context and layer renderer after a context lost. Returns false if the renderer couldn't be
     // reinitialized.
     virtual bool recreateContext() = 0;
 
     virtual int compositorIdentifier() const = 0;
 
     virtual const LayerRendererCapabilities& layerRendererCapabilities() const = 0;
@@ skipping 32 matching lines @@
 #endif
 
 protected:
     CCProxy();
     friend class DebugScopedSetImplThread;
 };
 
 }
 
 #endif