gpu: Remove Create/DeleteImage IPC by adding an X11_PIXMAP_BUFFER GpuMemoryBuffer type.

gpu/command_buffer/service/gpu_memory_buffer_manager.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_SERVICE_GPU_MEMORY_BUFFER_MANAGER_H_
-#define GPU_COMMAND_BUFFER_SERVICE_GPU_MEMORY_BUFFER_MANAGER_H_
-
-#include "base/basictypes.h"
-#include "gpu/gpu_export.h"
-#include "ui/gfx/gpu_memory_buffer.h"
-
-namespace gpu {
-
-class GPU_EXPORT GpuMemoryBufferManagerInterface {
- public:
-  virtual ~GpuMemoryBufferManagerInterface() {}
-
-  virtual void RegisterGpuMemoryBuffer(int32 id,
-                                       gfx::GpuMemoryBufferHandle buffer,
-                                       size_t width,
-                                       size_t height,
-                                       unsigned internalformat) = 0;
-  virtual void UnregisterGpuMemoryBuffer(int32 id) = 0;
-};
-
-}  // namespace gpu
-
-#endif  // GPU_COMMAND_BUFFER_SERVICE_GPU_MEMORY_BUFFER_MANAGER_H_