media: gpu process ipc video decoder implementation

chrome/renderer/gpu_channel_host.h

 // Copyright (c) 2010 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 CHROME_RENDERER_GPU_CHANNEL_HOST_H_
 #define CHROME_RENDERER_GPU_CHANNEL_HOST_H_
 #pragma once
 
 #include <string>
 
@@ skipping 43 matching lines @@
 
   // Create and connect to a command buffer in the GPU process.
   CommandBufferProxy* CreateViewCommandBuffer(gfx::NativeViewId view,
                                               int render_view_id);
 
   // Create and connect to a command buffer in the GPU process.
   CommandBufferProxy* CreateOffscreenCommandBuffer(CommandBufferProxy* parent,
                                                    const gfx::Size& size,
                                                    uint32 parent_texture_id);
 
-
   // Destroy a command buffer created by this channel.
   void DestroyCommandBuffer(CommandBufferProxy* command_buffer);
 
  private:
   State state_;
 
   scoped_ptr<IPC::SyncChannel> channel_;
 
   // Used to implement message routing functionality to CommandBufferProxy
   // objects
   MessageRouter router_;
 
   // Keep track of all the registered CommandBufferProxies to
   // inform about OnChannelError
   typedef base::hash_map<int, IPC::Channel::Listener*> ProxyMap;
   ProxyMap proxies_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 #endif  // CHROME_RENDERER_GPU_CHANNEL_HOST_H_