cc: Rename VSync to BeginFrame

cc/input/input_handler.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 CC_INPUT_INPUT_HANDLER_H_
 #define CC_INPUT_INPUT_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/time.h"
 #include "cc/base/cc_export.h"
@@ skipping 100 matching lines @@
                                        bool anchor_point,
                                        float page_scale,
                                        base::TimeTicks start_time,
                                        base::TimeDelta duration) = 0;
 
   // Request another callback to InputHandlerClient::Animate().
   virtual void ScheduleAnimation() = 0;
 
   virtual bool HaveTouchEventHandlersAt(gfx::Point viewport_point) = 0;
 
-  virtual void DidReceiveLastInputEventForVSync(
+  virtual void DidReceiveLastInputEventForBeginFrame(
       base::TimeTicks frame_time) = 0;
 
  protected:
   InputHandler() {}
   virtual ~InputHandler() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InputHandler);
 };
 
 }  // namespace cc
 
 #endif  // CC_INPUT_INPUT_HANDLER_H_