content: Add DeletedGpuMemoryBuffer IPC.

content/browser/gpu/browser_gpu_channel_host_factory.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_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
 #define CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
@@ skipping 20 matching lines @@
       size_t size) OVERRIDE;
   virtual CreateCommandBufferResult CreateViewCommandBuffer(
       int32 surface_id,
       const GPUCreateCommandBufferConfig& init_params,
       int32 route_id) OVERRIDE;
   virtual scoped_ptr<gfx::GpuMemoryBuffer> AllocateGpuMemoryBuffer(
       size_t width,
       size_t height,
       unsigned internalformat,
       unsigned usage) OVERRIDE;
+  virtual void DeleteGpuMemoryBuffer(
+      scoped_ptr<gfx::GpuMemoryBuffer> buffer) OVERRIDE {}
 
   // GpuMemoryBufferFactoryHost implementation.
   virtual void CreateGpuMemoryBuffer(
       const gfx::GpuMemoryBufferHandle& handle,
       const gfx::Size& size,
       unsigned internalformat,
       unsigned usage,
       const CreateGpuMemoryBufferCallback& callback) OVERRIDE;
   virtual void DestroyGpuMemoryBuffer(const gfx::GpuMemoryBufferHandle& handle,
                                       int32 sync_point) OVERRIDE;
@@ skipping 61 matching lines @@
   CreateGpuMemoryBufferCallbackMap create_gpu_memory_buffer_requests_;
 
   static BrowserGpuChannelHostFactory* instance_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserGpuChannelHostFactory);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_BROWSER_GPU_CHANNEL_HOST_FACTORY_H_