content: Cleanup GpuMemoryBufferImpl destruction.

content/renderer/render_thread_impl.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_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 403 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;
 
   void Init();
 
   void OnCreateNewFrame(int routing_id, int parent_routing_id);
   void OnCreateNewFrameProxy(int routing_id,
                              int parent_routing_id,
                              int render_view_routing_id);
   void OnSetZoomLevelForCurrentURL(const std::string& scheme,
                                    const std::string& host,
                                    double zoom_level);
@@ skipping 150 matching lines @@
   bool is_one_copy_enabled_;
 
   std::map<int, mojo::MessagePipeHandle> pending_render_frame_connects_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_