cc: Implement DelegatingRender::drawFrame() method.

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 27 matching lines @@
                           WebKit::WebGraphicsContext3D* context3d,
                           cc::SoftwareOutputDevice* software);
   virtual ~CompositorOutputSurface();
 
   // cc::OutputSurface implementation.
   virtual bool BindToClient(cc::OutputSurfaceClient* client) OVERRIDE;
   virtual const struct Capabilities& Capabilities() const OVERRIDE;
   virtual WebKit::WebGraphicsContext3D* Context3D() const OVERRIDE;
   virtual cc::SoftwareOutputDevice* SoftwareDevice() const OVERRIDE;
   virtual void SendFrameToParentCompositor(
-      const cc::CompositorFrame&) OVERRIDE;
+      cc::CompositorFrame&) OVERRIDE;
 
  private:
   class CompositorOutputSurfaceProxy :
       public base::RefCountedThreadSafe<CompositorOutputSurfaceProxy> {
    public:
     explicit CompositorOutputSurfaceProxy(
         CompositorOutputSurface* output_surface)
         : output_surface_(output_surface) {}
     void ClearOutputSurface() { output_surface_ = NULL; }
     void OnMessageReceived(const IPC::Message& message) {
@@ skipping 19 matching lines @@
   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_