Send compositor frame IPC with metadata.

content/renderer/gpu/compositor_output_surface.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 CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
@@ skipping 53 matching lines @@
     friend class base::RefCountedThreadSafe<CompositorOutputSurfaceProxy>;
     ~CompositorOutputSurfaceProxy() {}
     CompositorOutputSurface* output_surface_;
 
     DISALLOW_COPY_AND_ASSIGN(CompositorOutputSurfaceProxy);
   };
 
   void OnMessageReceived(const IPC::Message& message);
   void OnUpdateVSyncParameters(
       base::TimeTicks timebase, base::TimeDelta interval);
+  bool Send(IPC::Message* message);
 
   scoped_refptr<IPC::ForwardingMessageFilter> output_surface_filter_;
   cc::OutputSurfaceClient* client_;
   scoped_refptr<CompositorOutputSurfaceProxy> output_surface_proxy_;
   int routing_id_;
   struct Capabilities capabilities_;
   scoped_ptr<WebKit::WebGraphicsContext3D> context3D_;
   scoped_ptr<cc::SoftwareOutputDevice> software_device_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_