cc: Rename VSync to BeginFrame

ui/compositor/compositor.h

 // Copyright (c) 2012 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 UI_COMPOSITOR_COMPOSITOR_H_
 #define UI_COMPOSITOR_COMPOSITOR_H_
 
 #include <string>
 
 #include "base/hash_tables.h"
@@ skipping 321 matching lines @@
   // Signals swap has completed.
   void OnSwapBuffersComplete();
 
   // Signals swap has aborted (e.g. lost context).
   void OnSwapBuffersAborted();
 
   void OnUpdateVSyncParameters(base::TimeTicks timebase,
                                base::TimeDelta interval);
 
   // LayerTreeHostClient implementation.
-  virtual void WillBeginFrame() OVERRIDE {}
-  virtual void DidBeginFrame() OVERRIDE {}
+  virtual void WillBeginMainFrame() OVERRIDE {}
+  virtual void DidBeginMainFrame() OVERRIDE {}
   virtual void Animate(double frame_begin_time) OVERRIDE {}
   virtual void Layout() OVERRIDE;
   virtual void ApplyScrollAndScale(gfx::Vector2d scroll_delta,
                                    float page_scale) OVERRIDE {}
   virtual scoped_ptr<cc::OutputSurface>
       CreateOutputSurface() OVERRIDE;
   virtual void DidInitializeOutputSurface(bool success) OVERRIDE {}
   virtual scoped_ptr<cc::InputHandlerClient> CreateInputHandlerClient()
       OVERRIDE;
   virtual void WillCommit() OVERRIDE {}
@@ skipping 54 matching lines @@
   bool disable_schedule_composite_;
 
   CompositorLock* compositor_lock_;
 
   DISALLOW_COPY_AND_ASSIGN(Compositor);
 };
 
 }  // namespace ui
 
 #endif  // UI_COMPOSITOR_COMPOSITOR_H_