Use mus::MojoGpuMemoryBufferManager in mus::GpuService.

components/mus/public/cpp/lib/gpu_service.h

-// Copyright 2016 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_MUS_PUBLIC_CPP_LIB_GPU_SERVICE_H_
-#define COMPONENTS_MUS_PUBLIC_CPP_LIB_GPU_SERVICE_H_
-
-#include <stdint.h>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
-#include "gpu/ipc/client/gpu_channel_host.h"
-
-namespace shell {
-class Connector;
-}
-
-namespace mus {
-
-class GpuMemoryBufferManagerMus;
-
-class GpuService : public gpu::GpuChannelHostFactory {
- public:
-  scoped_refptr<gpu::GpuChannelHost> EstablishGpuChannel(
-      shell::Connector* connector);
-
-  static bool UseChromeGpuCommandBuffer();
-  static GpuService* GetInstance();
-
- private:
-  friend struct base::DefaultSingletonTraits<GpuService>;
-
-  GpuService();
-  ~GpuService() override;
-
-  // gpu::GpuChannelHostFactory overrides:
-  bool IsMainThread() override;
-  scoped_refptr<base::SingleThreadTaskRunner> GetIOThreadTaskRunner() override;
-  std::unique_ptr<base::SharedMemory> AllocateSharedMemory(
-      size_t size) override;
-
-  base::MessageLoop* main_message_loop_;
-  base::WaitableEvent shutdown_event_;
-  base::Thread io_thread_;
-  std::unique_ptr<GpuMemoryBufferManagerMus> gpu_memory_buffer_manager_;
-  scoped_refptr<gpu::GpuChannelHost> gpu_channel_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuService);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_PUBLIC_CPP_LIB_GPU_SERVICE_CONNECTION_H_