Added proxy / stub pair for GPU surfaces.

content/common/gpu/gpu_channel.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_COMMON_GPU_GPU_CHANNEL_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 #pragma once
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "build/build_config.h"
 #include "content/common/gpu/gpu_command_buffer_stub.h"
+#include "content/common/gpu/gpu_surface_stub.h"
 #include "content/common/message_router.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
 class GpuChannelManager;
 struct GPUCreateCommandBufferConfig;
 class GpuWatchdog;
 class TransportTexture;
 
@@ skipping 77 matching lines @@
   // Message handlers.
   void OnInitialize(base::ProcessHandle renderer_process);
   void OnCreateOffscreenCommandBuffer(
       int32 parent_route_id,
       const gfx::Size& size,
       const GPUCreateCommandBufferConfig& init_params,
       uint32 parent_texture_id,
       int32* route_id);
   void OnDestroyCommandBuffer(int32 route_id);
 
+  void OnCreateOffscreenSurface(const gfx::Size& size,
+                                int* route_id);
+  void OnDestroySurface(int route_id);
+
   void OnCreateVideoDecoder(int32 decoder_host_id,
                             const std::vector<uint32>& configs);
   void OnDestroyVideoDecoder(int32 decoder_id);
   void OnCreateTransportTexture(int32 context_route_id, int32 host_id);
 
   // The lifetime of objects of this class is managed by a GpuChannelManager.
   // The GpuChannelManager destroy all the GpuChannels that they own when they
   // are destroyed. So a raw pointer is safe.
   GpuChannelManager* gpu_channel_manager_;
 
   scoped_ptr<IPC::SyncChannel> channel_;
 
   // The id of the renderer who is on the other side of the channel.
   int renderer_id_;
 
   // Handle to the renderer process that is on the other side of the channel.
   base::ProcessHandle renderer_process_;
 
   // The process id of the renderer process.
   base::ProcessId renderer_pid_;
 
   // Used to implement message routing functionality to CommandBuffer objects
   MessageRouter router_;
 
 #if defined(ENABLE_GPU)
   typedef IDMap<GpuCommandBufferStub, IDMapOwnPointer> StubMap;
   StubMap stubs_;
+
+  typedef IDMap<GpuSurfaceStub, IDMapOwnPointer> SurfaceMap;
+  SurfaceMap surfaces_;
+
   std::set<int32> latched_routes_;
 #endif  // defined (ENABLE_GPU)
 
   // A collection of transport textures created.
   typedef IDMap<TransportTexture, IDMapOwnPointer> TransportTextureMap;
   TransportTextureMap transport_textures_;
 
   bool log_messages_;  // True if we should log sent and received messages.
   gpu::gles2::DisallowedExtensions disallowed_extensions_;
   GpuWatchdog* watchdog_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannel);
 };
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_H_