Revert of Support impl-side painting in Mandoline.

components/view_manager/gles2/mojo_gpu_memory_buffer.h

-// Copyright 2015 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 COMPONENTS_VIEW_MANAGER_GLES2_MOJO_GPU_MEMORY_BUFFER_H_
-#define COMPONENTS_VIEW_MANAGER_GLES2_MOJO_GPU_MEMORY_BUFFER_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/gpu_memory_buffer.h"
-
-namespace gles2 {
-
-class MojoGpuMemoryBufferImpl : public gfx::GpuMemoryBuffer {
- public:
-  MojoGpuMemoryBufferImpl(const gfx::Size& size,
-                          Format format,
-                          scoped_ptr<base::SharedMemory> shared_memory);
-  ~MojoGpuMemoryBufferImpl() override;
-
-
-  static scoped_ptr<gfx::GpuMemoryBuffer> Create(const gfx::Size& size,
-                                                 Format format,
-                                                 Usage usage);
-
-  static MojoGpuMemoryBufferImpl* FromClientBuffer(ClientBuffer buffer);
-
-  // Overridden from gfx::GpuMemoryBuffer:
-  bool Map(void** data) override;
-  void Unmap() override;
-  bool IsMapped() const override;
-  Format GetFormat() const override;
-  void GetStride(int* stride) const override;
-  gfx::GpuMemoryBufferHandle GetHandle() const override;
-  ClientBuffer AsClientBuffer() override;
-
- private:
-  const gfx::Size size_;
-  gfx::GpuMemoryBuffer::Format format_;
-  scoped_ptr<base::SharedMemory> shared_memory_;
-  bool mapped_;
-
-  DISALLOW_COPY_AND_ASSIGN(MojoGpuMemoryBufferImpl);
-};
-
-}  // gles2
-
-#endif  // COMPONENTS_VIEW_MANAGER_GLES2_MOJO_GPU_MEMORY_BUFFER_H_