services/ui: Use new gpu::GpuInit to do the GPU initialization.

services/ui/gpu/gpu_main.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 "services/ui/gpu/gpu_main.h"
+
+#include "base/command_line.h"
+#include "gpu/ipc/common/gpu_memory_buffer_support.h"
+#include "gpu/ipc/service/gpu_memory_buffer_factory.h"
+#include "gpu/ipc/service/gpu_watchdog_thread.h"
+#include "services/ui/gpu/gpu_service_internal.h"
+
+namespace ui {
+
+GpuMain::GpuMain() {
+  gpu_init_.set_sandbox_helper(this);
+  bool success = gpu_init_.InitializeAndStartSandbox(
+      *base::CommandLine::ForCurrentProcess());
+  if (success) {
+    if (gpu::GetNativeGpuMemoryBufferType() != gfx::EMPTY_BUFFER) {
+      gpu_memory_buffer_factory_ =
+          gpu::GpuMemoryBufferFactory::CreateNativeType();
+    }
+    gpu_service_internal_.reset(new GpuServiceInternal(
+        gpu_init_.gpu_info(), gpu_init_.watchdog_thread(),
+        gpu_memory_buffer_factory_.get()));
+  }
+}
+
+GpuMain::~GpuMain() {
+  if (gpu_init_.watchdog_thread())
+    gpu_init_.watchdog_thread()->Stop();
+}
+
+void GpuMain::Add(mojom::GpuServiceInternalRequest request) {
+  if (gpu_service_internal_)
+    gpu_service_internal_->Add(std::move(request));
+}
+
+void GpuMain::PreSandboxStartup() {
+  // TODO(sad): https://crbug.com/645602
+}
+
+bool GpuMain::EnsureSandboxInitialized() {
+  // TODO(sad): https://crbug.com/645602
+  return true;
+}
+
+}  // namespace ui