Add reference-counting for mailbox textures.

content/common/gpu/gpu_channel.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_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 
 #include <deque>
 #include <string>
 
@@ skipping 135 matching lines @@
       scoped_refptr<gpu::PreemptionFlag> preemption_flag);
 
 #if defined(OS_ANDROID)
   StreamTextureManagerAndroid* stream_texture_manager() {
     return stream_texture_manager_.get();
   }
 #endif
 
   void CacheShader(const std::string& key, const std::string& shader);
 
+  void OnDestroySurface(int route_id, int surface_id);
+
  protected:
   virtual ~GpuChannel();
 
  private:
   friend class base::RefCountedThreadSafe<GpuChannel>;
   friend class GpuChannelMessageFilter;
 
   void OnDestroy();
 
   bool OnControlMessageReceived(const IPC::Message& msg);
@@ skipping 84 matching lines @@
   scoped_refptr<base::MessageLoopProxy> io_message_loop_;
 
   size_t num_stubs_descheduled_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannel);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_H_