Added proxy / stub pair for GPU surfaces.

content/renderer/gpu_channel_host.h

 // Copyright (c) 2011 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_CHANNEL_HOST_H_
 #define CONTENT_RENDERER_GPU_CHANNEL_HOST_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process_util.h"
 #include "content/common/gpu/gpu_info.h"
 #include "content/common/message_router.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
 class CommandBufferProxy;
+class GpuSurfaceProxy;
 class GURL;
 class GpuVideoServiceHost;
 class TransportTextureService;
 
 // Encapsulates an IPC channel between the renderer and one plugin process.
 // On the plugin side there's a corresponding GpuChannel.
 class GpuChannelHost : public IPC::Channel::Listener,
                        public IPC::Message::Sender,
                        public base::RefCountedThreadSafe<GpuChannelHost> {
  public:
@@ skipping 45 matching lines @@
       CommandBufferProxy* parent,
       const gfx::Size& size,
       const std::string& allowed_extensions,
       const std::vector<int32>& attribs,
       uint32 parent_texture_id,
       const GURL& active_url);
 
   // Destroy a command buffer created by this channel.
   void DestroyCommandBuffer(CommandBufferProxy* command_buffer);
 
+  // Create a surface in the GPU process. Returns null on failure.
+  GpuSurfaceProxy* CreateOffscreenSurface(const gfx::Size& size);
+
+  // Destroy a surface in the GPU process.
+  void DestroySurface(GpuSurfaceProxy* surface);
+
   GpuVideoServiceHost* gpu_video_service_host() {
     return gpu_video_service_host_.get();
   }
 
   TransportTextureService* transport_texture_service() {
     return transport_texture_service_.get();
   }
 
  private:
   State state_;
@@ skipping 16 matching lines @@
   scoped_refptr<GpuVideoServiceHost> gpu_video_service_host_;
 
   // This is a MessageFilter to intercept IPC messages related to transport
   // textures. These messages are routed to TransportTextureHost.
   scoped_refptr<TransportTextureService> transport_texture_service_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 #endif  // CONTENT_RENDERER_GPU_CHANNEL_HOST_H_