mus::GpuService: Support establish GpuChannel asynchronously.

content/renderer/render_thread_impl.cc

 // Copyright (c) 2012 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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 181 matching lines @@
 #include "content/renderer/media/rtc_peer_connection_handler.h"
 #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h"
 #include "content/renderer/media/webrtc_identity_service.h"
 #endif
 
 #ifdef ENABLE_VTUNE_JIT_INTERFACE
 #include "v8/src/third_party/vtune/v8-vtune.h"
 #endif
 
 #if defined(MOJO_SHELL_CLIENT)
+#include "components/mus/common/gpu_service.h"
 #include "content/public/common/mojo_shell_connection.h"
 #include "content/renderer/mus/render_widget_mus_connection.h"
 #include "content/renderer/mus/render_widget_window_tree_client_factory.h"
 #endif
 
 #if defined(ENABLE_IPC_FUZZER)
 #include "content/common/external_ipc_dumper.h"
 #endif
 
 using base::ThreadRestrictions;
@@ skipping 1593 matching lines @@
     bool use_software,
     int routing_id,
     scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue,
     const GURL& url) {
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kDisableGpuCompositing))
     use_software = true;
 
 #if defined(MOJO_SHELL_CLIENT)
-  if (MojoShellConnection::GetForProcess() && !use_software &&
+  auto shell_connection = MojoShellConnection::GetForProcess();
+  if (shell_connection && !use_software &&
       command_line.HasSwitch(switches::kUseMusInRenderer)) {
+    mus::GpuService::Initialize(shell_connection->GetConnector());
     RenderWidgetMusConnection* connection =
         RenderWidgetMusConnection::GetOrCreate(routing_id);
     return connection->CreateOutputSurface();
   }
 #endif
 
   uint32_t output_surface_id = g_next_output_surface_id++;
 
   if (command_line.HasSwitch(switches::kEnableVulkan)) {
     scoped_refptr<cc::VulkanContextProvider> vulkan_context_provider =
@@ skipping 390 matching lines @@
       v8_memory_pressure_level == v8::MemoryPressureLevel::kCritical)
     v8_memory_pressure_level = v8::MemoryPressureLevel::kModerate;
 
   blink::mainThreadIsolate()->MemoryPressureNotification(
       v8_memory_pressure_level);
   blink::MemoryPressureNotificationToWorkerThreadIsolates(
       v8_memory_pressure_level);
 }
 
 }  // namespace content