Update cc snapshot to r127918

cc/CCLayerTreeHost.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 CCLayerTreeHost_h
 #define CCLayerTreeHost_h
 
 #include "CCAnimationEvents.h"
 #include "CCGraphicsContext.h"
 #include "CCLayerTreeHostClient.h"
@@ skipping 106 matching lines @@
     // CCLayerTreeHost interface to CCProxy.
     void willBeginFrame() { m_client->willBeginFrame(); }
     void didBeginFrame() { m_client->didBeginFrame(); }
     void updateAnimations(double monotonicFrameBeginTime);
     void layout();
     void beginCommitOnImplThread(CCLayerTreeHostImpl*);
     void finishCommitOnImplThread(CCLayerTreeHostImpl*);
     void willCommit();
     void commitComplete();
     PassOwnPtr<CCGraphicsContext> createContext();
+    PassOwnPtr<CCInputHandler> createInputHandler();
     virtual PassOwnPtr<CCLayerTreeHostImpl> createLayerTreeHostImpl(CCLayerTreeHostImplClient*);
     void didLoseContext();
     enum RecreateResult {
         RecreateSucceeded,
         RecreateFailedButTryAgain,
         RecreateFailedAndGaveUp,
     };
     RecreateResult recreateContext();
     void didCommitAndDrawFrame() { m_client->didCommitAndDrawFrame(); }
     void didCompleteSwapBuffers() { m_client->didCompleteSwapBuffers(); }
     void deleteContentsTexturesOnImplThread(CCResourceProvider*);
     virtual void acquireLayerTextures();
     // Returns false if we should abort this frame due to initialization failure.
     bool initializeRendererIfNeeded();
     void updateLayers(CCTextureUpdateQueue&, size_t contentsMemoryLimitBytes);
 
     CCLayerTreeHostClient* client() { return m_client; }
 
-    int compositorIdentifier() const { return m_compositorIdentifier; }
-
     // Only used when compositing on the main thread.
     void composite();
     void scheduleComposite();
 
     // Composites and attempts to read back the result into the provided
     // buffer. If it wasn't possible, e.g. due to context lost, will return
     // false.
     bool compositeAndReadback(void *pixels, const IntRect&);
 
     void finishAllRendering();
@@ skipping 83 matching lines @@
 
     void prioritizeTextures(const LayerList&, CCOverdrawMetrics&); 
     void setPrioritiesForSurfaces(size_t surfaceMemoryBytes);
     void setPrioritiesForLayers(const LayerList&);
     size_t calculateMemoryForRenderSurfaces(const LayerList& updateList);
 
     void animateLayers(double monotonicTime);
     bool animateLayersRecursive(LayerChromium* current, double monotonicTime);
     void setAnimationEventsRecursive(const CCAnimationEventsVector&, LayerChromium*, double wallClockTime);
 
-    int m_compositorIdentifier;
-
     bool m_animating;
     bool m_needsAnimateLayers;
 
     CCLayerTreeHostClient* m_client;
 
     int m_commitNumber;
     CCRenderingStats m_renderingStats;
 
     OwnPtr<CCProxy> m_proxy;
     bool m_rendererInitialized;
@@ skipping 28 matching lines @@
 
     TextureList m_deleteTextureAfterCommitList;
     size_t m_partialTextureUpdateRequests;
 
     static bool s_needsFilterContext;
 };
 
 }
 
 #endif