Fix gpu acceleration with --in-process-gpu

chrome/browser/browser_main.cc

 // Copyright (c) 2011 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 "chrome/browser/browser_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 715 matching lines @@
 }
 
 // Creates key child threads. We need to do this explicitly since
 // BrowserThread::PostTask silently deletes a posted task if the target message
 // loop isn't created.
 void CreateChildThreads(BrowserProcessImpl* process) {
   process->db_thread();
   process->file_thread();
   process->process_launcher_thread();
   process->cache_thread();
+  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess) ||
+      CommandLine::ForCurrentProcess()->HasSwitch(switches::kInProcessGPU))
+    process->gpu_thread();
   process->io_thread();
 #if defined(OS_CHROMEOS)
   process->web_socket_proxy_thread();
 #endif
   // Create watchdog thread after creating all other threads because it will
   // watch the other threads and they must be running.
   process->watchdog_thread();
 }
 
 // Returns the new local state object, guaranteed non-NULL.
@@ skipping 1203 matching lines @@
 #if defined(OS_CHROMEOS)
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone",
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 #endif
   TRACE_EVENT_END_ETW("BrowserMain", 0, 0);
   return result_code;
 }