Keep vsync enabled while there is a pending requestAnimationFrame

cc/scheduler/scheduler.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_SCHEDULER_SCHEDULER_H_
 #define CC_SCHEDULER_SCHEDULER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 57 matching lines @@
   void SetNeedsCommit();
 
   // Like SetNeedsCommit(), but ensures a commit will definitely happen even if
   // we are not visible.
   void SetNeedsForcedCommit();
 
   void SetNeedsRedraw();
 
   void SetMainThreadNeedsLayerTextures();
 
+  void SetAnimateRequested();
+
   // Like SetNeedsRedraw(), but ensures the draw will definitely happen even if
   // we are not visible.
   void SetNeedsForcedRedraw();
 
   void DidSwapUseIncompleteTile();
 
   void BeginFrameComplete();
   void BeginFrameAborted();
 
   void SetMaxFramesPending(int max);
@@ skipping 32 matching lines @@
   scoped_ptr<FrameRateController> frame_rate_controller_;
   SchedulerStateMachine state_machine_;
   bool inside_process_scheduled_actions_;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_H_