Add CCDelegatingRenderer, and corresponding IPCs

cc/CCLayerTreeHostImpl.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CCLayerTreeHostImpl_h
 #define CCLayerTreeHostImpl_h
 
 #include "CCAnimationEvents.h"
 #include "CCInputHandler.h"
 #include "CCLayerSorter.h"
@@ skipping 81 matching lines @@
     virtual const IntSize& deviceViewportSize() const OVERRIDE { return m_deviceViewportSize; }
     virtual const CCLayerTreeSettings& settings() const OVERRIDE { return m_settings; }
     virtual void didLoseContext() OVERRIDE;
     virtual void onSwapBuffersComplete() OVERRIDE;
     virtual void setFullRootLayerDamage() OVERRIDE;
     virtual void releaseContentsTextures() OVERRIDE;
     virtual void setMemoryAllocationLimitBytes(size_t) OVERRIDE;
 
     // WebCompositorOutputSurfaceClient implementation.
     virtual void onVSyncParametersChanged(double monotonicTimebase, double intervalInSeconds) OVERRIDE;
+    virtual void onSendFrameToParentCompositorAck(const WebKit::WebCompositorFrameAck&) OVERRIDE;
 
     // Implementation
     bool canDraw();
     CCGraphicsContext* context() const;
 
     std::string layerTreeAsText() const;
 
     void finishAllRendering();
     int sourceAnimationFrameNumber() const;
 
@@ skipping 173 matching lines @@
     // rendering and input event hit testing.
     CCLayerList m_renderSurfaceLayerList;
 
     OwnPtr<CCFrameRateCounter> m_fpsCounter;
     OwnPtr<CCDebugRectHistory> m_debugRectHistory;
 };
 
 };
 
 #endif