Use mus::MojoGpuMemoryBufferManager in mus::GpuService.

components/mus/public/cpp/lib/gpu_memory_buffer_manager_mus.cc

-// 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.
-
-#include "components/mus/public/cpp/lib/gpu_memory_buffer_manager_mus.h"
-
-namespace mus {
-
-GpuMemoryBufferManagerMus::GpuMemoryBufferManagerMus() {}
-
-GpuMemoryBufferManagerMus::~GpuMemoryBufferManagerMus() {}
-
-std::unique_ptr<gfx::GpuMemoryBuffer>
-GpuMemoryBufferManagerMus::AllocateGpuMemoryBuffer(
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    gfx::BufferUsage usage,
-    gpu::SurfaceHandle surface_handle) {
-  NOTIMPLEMENTED();
-  return std::unique_ptr<gfx::GpuMemoryBuffer>();
-}
-
-std::unique_ptr<gfx::GpuMemoryBuffer>
-GpuMemoryBufferManagerMus::CreateGpuMemoryBufferFromHandle(
-    const gfx::GpuMemoryBufferHandle& handle,
-    const gfx::Size& size,
-    gfx::BufferFormat format) {
-  NOTIMPLEMENTED();
-  return std::unique_ptr<gfx::GpuMemoryBuffer>();
-}
-
-std::unique_ptr<gfx::GpuMemoryBuffer>
-GpuMemoryBufferManagerMus::CreateGpuMemoryBufferFromClientId(
-    int client_id,
-    const gfx::GpuMemoryBufferId& gpu_memory_buffer_id) {
-  NOTIMPLEMENTED();
-  return std::unique_ptr<gfx::GpuMemoryBuffer>();
-}
-
-gfx::GpuMemoryBuffer*
-GpuMemoryBufferManagerMus::GpuMemoryBufferFromClientBuffer(
-    ClientBuffer buffer) {
-  NOTIMPLEMENTED();
-  return nullptr;
-}
-
-void GpuMemoryBufferManagerMus::SetDestructionSyncToken(
-    gfx::GpuMemoryBuffer* buffer,
-    const gpu::SyncToken& sync_token) {
-  NOTIMPLEMENTED();
-}
-
-}  // namespace mus