gpu: Introduce GpuInit.

services/ui/gpu/gpu_main.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 SERVICES_UI_GPU_GPU_MAIN_H_
+#define SERVICES_UI_GPU_GPU_MAIN_H_
+
+#include "gpu/config/gpu_info.h"
+#include "gpu/ipc/service/gpu_init.h"
+#include "gpu/ipc/service/gpu_init_delegate.h"
+#include "services/ui/gpu/interfaces/gpu_service_internal.mojom.h"
+
+namespace ui {
+
+class GpuServiceInternal;
+
+class GpuMain : public gpu::GpuInitDelegate {
+ public:
+  GpuMain();
+  ~GpuMain() override;
+
+  void Add(mojom::GpuServiceInternalRequest request);
+
+  GpuServiceInternal* gpu_service() { return gpu_service_internal_.get(); }
+
+ private:
+  // gpu::GpuInit::Delegate:
+  void OnGpuInfoUpdate(const gpu::GPUInfo& info) override;
+  void OnGpuWatchdogThreadCreated(gpu::GpuWatchdogThread* thread) override;
+  void OnGpuWatchdogThreadDestroyed() override;
+
+  bool ShouldInitializeGL() override;
+  void WaitForDebugger() override;
+  void PreSandboxInitialization() override;
+  bool ShouldStartSandboxEarly() override;
+  void WarmUpSandbox() override;
+  bool StartSandbox() override;
+  void InitializeMessageLoop() override;
+  void Initialize(base::Time start_time,
+                  bool dead_on_arrival,
+                  std::vector<gpu::GpuInitLogMessage> int_log_messages,
+                  gpu::GpuMemoryBufferFactory* gpu_buffer_factory) override;
+
+  std::unique_ptr<GpuServiceInternal> gpu_service_internal_;
+  gpu::GPUInfo gpu_info_;
+  gpu::GpuWatchdogThread* watchdog_thread_ = nullptr;
+  gpu::GpuInit gpu_init_;
+
+  DISALLOW_COPY_AND_ASSIGN(GpuMain);
+};
+
+}  // namespace ui
+
+#endif  // SERVICES_UI_GPU_GPU_MAIN_H_