GPU client side changes for GpuMemoryBuffers

gpu/command_buffer/client/gpu_memory_buffer_factory.h

 // Copyright 2013 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 GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_FACTORY_H_
 #define GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_FACTORY_H_
 
 #include "gles2_impl_export.h"
 #include "gpu/command_buffer/client/gpu_memory_buffer.h"
 
 namespace gpu {
+namespace gles2 {
+class ImageManagerProxy;
 
 // Getter and setter for a GpuMemoryBuffer factory for the current process.
 // Currently it is only used for Android Webview where both browser and
 // renderer are within the same process.
 
 // It is not valid to call this method before the setter is called.
 GLES2_IMPL_EXPORT const GpuMemoryBuffer::Creator&
     GetProcessDefaultGpuMemoryBufferFactory();
 
 // It is illegal to call the setter more than once.
 GLES2_IMPL_EXPORT void SetProcessDefaultGpuMemoryBufferFactory(
     const GpuMemoryBuffer::Creator& factory);
 
+class GpuMemoryBufferFactory {
+ public:
+  explicit GpuMemoryBufferFactory(ImageManagerProxy* image_manager);
+  ~GpuMemoryBufferFactory();
+  scoped_ptr<GpuMemoryBuffer> CreateGpuMemoryBuffer(
+      int width, int height, int image_id);
+ private:
+  ImageManagerProxy* image_manager_proxy_;
+  DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactory);
+};
+
+}  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GPU_MEMORY_BUFFER_FACTORY_H_