Browser side changes for software compositing

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"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/threading/platform_thread.h"
 #include "base/time.h"
 #include "cc/output/output_surface.h"
 
 namespace base {
 class TaskRunner;
 }
 
 namespace IPC {
 class ForwardingMessageFilter;
 class Message;
 }
 
 namespace cc {
+class CompositorFrame;
 class CompositorFrameAck;
 }
 
 namespace content {
 
 // This class can be created only on the main thread, but then becomes pinned
 // to a fixed thread when bindToClient is called.
 class CompositorOutputSurface
     : NON_EXPORTED_BASE(public cc::OutputSurface),
       NON_EXPORTED_BASE(public base::NonThreadSafe) {
@@ skipping 46 matching lines @@
   scoped_refptr<IPC::ForwardingMessageFilter> output_surface_filter_;
   scoped_refptr<CompositorOutputSurfaceProxy> output_surface_proxy_;
   int routing_id_;
   bool prefers_smoothness_;
   base::PlatformThreadId main_thread_id_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_COMPOSITOR_OUTPUT_SURFACE_H_