mus: Split the gpu client-lib into a separate component.

ui/aura/mus/gpu_service.h

Index: ui/aura/mus/gpu_service.h
diff --git a/ui/aura/mus/gpu_service.h b/ui/aura/mus/gpu_service.h
deleted file mode 100644
index c20239c1748eba94ab9c0e067eeef16830d9e029..0000000000000000000000000000000000000000
--- a/ui/aura/mus/gpu_service.h
+++ /dev/null
@@ -1,84 +0,0 @@
-// 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 UI_AURA_MUS_GPU_SERVICE_H_
-#define UI_AURA_MUS_GPU_SERVICE_H_
-
-#include <stdint.h>
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
-#include "base/synchronization/lock.h"
-#include "base/synchronization/waitable_event.h"
-#include "base/threading/thread.h"
-#include "gpu/ipc/client/gpu_channel_host.h"
-#include "services/ui/public/interfaces/gpu_service.mojom.h"
-#include "ui/aura/aura_export.h"
-#include "ui/aura/mus/mojo_gpu_memory_buffer_manager.h"
-
-namespace service_manager {
-class Connector;
-}
-
-namespace aura {
-
-class AURA_EXPORT GpuService : public gpu::GpuChannelHostFactory,
-                               public gpu::GpuChannelEstablishFactory {
- public:
-  ~GpuService() override;
-
-  gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager() const {
-    return gpu_memory_buffer_manager_.get();
-  }
-
-  // The GpuService has to be initialized in the main thread before establishing
-  // the gpu channel. If no |task_runner| is provided, then a new thread is
-  // created and used.
-  static std::unique_ptr<GpuService> Create(
-      service_manager::Connector* connector,
-      scoped_refptr<base::SingleThreadTaskRunner> task_runner = nullptr);
-
-  // gpu::GpuChannelEstablishFactory:
-  void EstablishGpuChannel(
-      const gpu::GpuChannelEstablishedCallback& callback) override;
-  scoped_refptr<gpu::GpuChannelHost> EstablishGpuChannelSync() override;
-  gpu::GpuMemoryBufferManager* GetGpuMemoryBufferManager() override;
-
- private:
-  friend struct base::DefaultSingletonTraits<GpuService>;
-
-  GpuService(service_manager::Connector* connector,
-             scoped_refptr<base::SingleThreadTaskRunner> task_runner);
-
-  scoped_refptr<gpu::GpuChannelHost> GetGpuChannel();
-  void EstablishGpuChannelOnMainThreadSyncLocked();
-  void OnEstablishedGpuChannel(int client_id,
-                               mojo::ScopedMessagePipeHandle channel_handle,
-                               const gpu::GPUInfo& gpu_info);
-
-  // gpu::GpuChannelHostFactory overrides:
-  bool IsMainThread() override;
-  scoped_refptr<base::SingleThreadTaskRunner> GetIOThreadTaskRunner() override;
-  std::unique_ptr<base::SharedMemory> AllocateSharedMemory(
-      size_t size) override;
-
-  scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
-  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-  service_manager::Connector* connector_;
-  base::WaitableEvent shutdown_event_;
-  std::unique_ptr<base::Thread> io_thread_;
-  std::unique_ptr<MojoGpuMemoryBufferManager> gpu_memory_buffer_manager_;
-
-  ui::mojom::GpuServicePtr gpu_service_;
-  scoped_refptr<gpu::GpuChannelHost> gpu_channel_;
-  std::vector<gpu::GpuChannelEstablishedCallback> establish_callbacks_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuService);
-};
-
-}  // namespace aura
-
-#endif  // UI_AURA_MUS_GPU_SERVICE_H_