cc: Plumbing for BeginFrameSource based on Surfaces

content/browser/compositor/delegated_frame_host.h

 // Copyright 2014 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 CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_
 #define CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_
 
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
 #include "cc/output/copy_output_result.h"
@@ skipping 97 matching lines @@
   void OnLostResources() override;
 
   // DelegatedFrameEvictorClient implementation.
   void EvictDelegatedFrame() override;
 
   // cc::DelegatedFrameProviderClient implementation.
   void UnusedResourcesAreAvailable() override;
 
   // cc::SurfaceFactoryClient implementation.
   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
+  void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override;
 
   bool CanCopyToBitmap() const;
 
   // Public interface exposed to RenderWidgetHostView.
 
   // Note: |satisfies_sequences| is cleared in calls to this function.
   void SwapDelegatedFrame(
       uint32 output_surface_id,
       scoped_ptr<cc::DelegatedFrameData> frame_data,
       float frame_device_scale_factor,
@@ skipping 208 matching lines @@
   // YUV readback pipeline.
   scoped_ptr<content::ReadbackYUVInterface>
       yuv_readback_pipeline_;
 
   scoped_ptr<DelegatedFrameEvictor> delegated_frame_evictor_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_COMPOSITOR_DELEGATED_FRAME_HOST_H_