Fix layering violation where content is included by gpu.

content/common/gpu/client/gpu_channel_host.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_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process.h"
 #include "base/process_util.h"
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/client/gpu_video_decode_accelerator_host.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/common/message_router.h"
 #include "content/public/common/gpu_info.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 #include "ui/gl/gpu_preference.h"
 
-class CommandBufferProxy;
 class GURL;
 class MessageLoop;
 class TransportTextureService;
 struct GPUCreateCommandBufferConfig;
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace IPC {
@@ skipping 65 matching lines @@
   // The GPU stats reported by the GPU process.
   void set_gpu_info(const GPUInfo& gpu_info);
   const GPUInfo& gpu_info() const;
 
   void OnChannelError();
 
   // IPC::Sender implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // Create and connect to a command buffer in the GPU process.
-  CommandBufferProxy* CreateViewCommandBuffer(
+  CommandBufferProxyImpl* CreateViewCommandBuffer(
       int32 surface_id,
-      CommandBufferProxy* share_group,
+      CommandBufferProxyImpl* share_group,
       const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
       const GURL& active_url,
       gfx::GpuPreference gpu_preference);
 
   // Create and connect to a command buffer in the GPU process.
-  CommandBufferProxy* CreateOffscreenCommandBuffer(
+  CommandBufferProxyImpl* CreateOffscreenCommandBuffer(
       const gfx::Size& size,
-      CommandBufferProxy* share_group,
+      CommandBufferProxyImpl* share_group,
       const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
       const GURL& active_url,
       gfx::GpuPreference gpu_preference);
 
   // Creates a video decoder in the GPU process.
   // Returned pointer is owned by the CommandBufferProxy for |route_id|.
   GpuVideoDecodeAcceleratorHost* CreateVideoDecoder(
       int command_buffer_route_id,
       media::VideoCodecProfile profile,
       media::VideoDecodeAccelerator::Client* client);
 
   // Destroy a command buffer created by this channel.
-  void DestroyCommandBuffer(CommandBufferProxy* command_buffer);
+  void DestroyCommandBuffer(CommandBufferProxyImpl* command_buffer);
 
   // Collect rendering stats from GPU process.
   bool CollectRenderingStatsForSurface(
       int surface_id, GpuRenderingStats* stats);
 
   // Add a route for the current message loop.
   void AddRoute(int route_id, base::WeakPtr<IPC::Listener> listener);
   void RemoveRoute(int route_id);
 
   GpuChannelHostFactory* factory() const { return factory_; }
@@ skipping 50 matching lines @@
 
   // A filter for sending messages from thread other than the main thread.
   scoped_refptr<IPC::SyncMessageFilter> sync_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_