cc: Hook vsync time source to output surface

cc/trees/layer_tree_host_impl.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_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 30 matching lines @@
 class TopControlsManager;
 struct RendererCapabilities;
 
 // LayerTreeHost->Proxy callback interface.
 class LayerTreeHostImplClient {
  public:
   virtual void DidLoseOutputSurfaceOnImplThread() = 0;
   virtual void OnSwapBuffersCompleteOnImplThread() = 0;
   virtual void OnVSyncParametersChanged(base::TimeTicks timebase,
                                         base::TimeDelta interval) = 0;
+  virtual void DidVSync(base::TimeTicks frame_time) = 0;
   virtual void OnCanDrawStateChanged(bool can_draw) = 0;
   virtual void OnHasPendingTreeStateChanged(bool has_pending_tree) = 0;
   virtual void SetNeedsRedrawOnImplThread() = 0;
   virtual void DidInitializeVisibleTileOnImplThread() = 0;
   virtual void SetNeedsCommitOnImplThread() = 0;
   virtual void SetNeedsManageTilesOnImplThread() = 0;
   virtual void PostAnimationEventsToMainThreadOnImplThread(
       scoped_ptr<AnimationEventsVector> events,
       base::Time wall_clock_time) = 0;
   // Returns true if resources were deleted by this call.
@@ skipping 105 matching lines @@
   virtual bool ShouldClearRootRenderPass() const OVERRIDE;
   virtual CompositorFrameMetadata MakeCompositorFrameMetadata() const OVERRIDE;
 
   // TileManagerClient implementation.
   virtual void ScheduleManageTiles() OVERRIDE;
   virtual void DidInitializeVisibleTile() OVERRIDE;
 
   // OutputSurfaceClient implementation.
   virtual void OnVSyncParametersChanged(base::TimeTicks timebase,
                                         base::TimeDelta interval) OVERRIDE;
+  virtual void DidVSync(base::TimeTicks frame_time) OVERRIDE;
   virtual void OnSendFrameToParentCompositorAck(const CompositorFrameAck& ack)
       OVERRIDE;
 
   // Called from LayerTreeImpl.
   void OnCanDrawStateChangedForTree();
 
   // Implementation
   bool CanDraw();
   OutputSurface* output_surface() const { return output_surface_.get(); }
 
   std::string LayerTreeAsText() const;
   std::string LayerTreeAsJson() const;
 
   void FinishAllRendering();
   int SourceAnimationFrameNumber() const;
 
   virtual bool InitializeRenderer(scoped_ptr<OutputSurface> output_surface);
   bool IsContextLost();
   TileManager* tile_manager() { return tile_manager_.get(); }
   Renderer* renderer() { return renderer_.get(); }
   const RendererCapabilities& GetRendererCapabilities() const;
 
   virtual bool SwapBuffers();
+  void EnableVSyncNotification(bool enable);
 
   void Readback(void* pixels, gfx::Rect rect_in_device_viewport);
 
   LayerTreeImpl* active_tree() { return active_tree_.get(); }
   const LayerTreeImpl* active_tree() const { return active_tree_.get(); }
   LayerTreeImpl* pending_tree() { return pending_tree_.get(); }
   const LayerTreeImpl* pending_tree() const { return pending_tree_.get(); }
   const LayerTreeImpl* recycle_tree() const { return recycle_tree_.get(); }
   void CreatePendingTree();
   void CheckForCompletedTileUploads();
@@ skipping 241 matching lines @@
   scoped_ptr<AnimationRegistrar> animation_registrar_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_