Add reference-counting for mailbox textures.

content/common/gpu/gpu_channel_manager.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_GPU_CHANNEL_MANAGER_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 108 matching lines @@
       int32 client_id,
       const GPUCreateCommandBufferConfig& init_params);
   void CreateImage(
       gfx::PluginWindowHandle window, int32 client_id, int32 image_id);
   void OnCreateImage(
       gfx::PluginWindowHandle window, int32 client_id, int32 image_id);
   void DeleteImage(int32 client_id, int32 image_id);
   void OnDeleteImage(int32 client_id, int32 image_id, int32 sync_point);
   void OnDeleteImageSyncPointRetired(ImageOperation*);
   void OnLoadedShader(std::string shader);
+  void OnDestroySurface(int client_id, int route_id, int surface_id);
 
   void OnLoseAllContexts();
 
   scoped_refptr<base::MessageLoopProxy> io_message_loop_;
   base::WaitableEvent* shutdown_event_;
 
   // Used to send and receive IPC messages from the browser process.
   ChildThread* gpu_child_thread_;
 
   // These objects manage channels to individual renderer processes there is
   // one channel for each renderer process that has connected to this GPU
   // process.
   GpuChannelMap gpu_channels_;
   scoped_refptr<gfx::GLShareGroup> share_group_;
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
   GpuMemoryManager gpu_memory_manager_;
   GpuWatchdog* watchdog_;
   scoped_refptr<SyncPointManager> sync_point_manager_;
   scoped_ptr<gpu::gles2::ProgramCache> program_cache_;
   scoped_refptr<gfx::GLSurface> default_offscreen_surface_;
   ImageOperationQueue image_operations_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_