Fix gpu acceleration with --in-process-gpu

chrome/browser/browser_process_impl.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_process_impl.h"
 
 #include <map>
 #include <set>
 #include <vector>
 
@@ skipping 99 matching lines @@
 #endif
 
 BrowserProcessImpl::BrowserProcessImpl(const CommandLine& command_line)
     : created_resource_dispatcher_host_(false),
       created_metrics_service_(false),
       created_io_thread_(false),
       created_file_thread_(false),
       created_db_thread_(false),
       created_process_launcher_thread_(false),
       created_cache_thread_(false),
-      created_gpu_thread_(false),
       created_watchdog_thread_(false),
 #if defined(OS_CHROMEOS)
       created_web_socket_proxy_thread_(false),
 #endif
       created_profile_manager_(false),
       created_local_state_(false),
       created_icon_manager_(false),
       created_devtools_manager_(false),
       created_sidebar_manager_(false),
       created_browser_policy_connector_(false),
@@ skipping 102 matching lines @@
 #endif
 
   // Wait for removing plugin data to finish before shutting down the IO thread.
   WaitForPluginDataRemoverToFinish();
 
   // Destroying the GpuProcessHostUIShims on the UI thread posts a task to
   // delete related objects on the GPU thread. This must be done before
   // stopping the GPU thread. The GPU thread will close IPC channels to renderer
   // processes so this has to happen before stopping the IO thread.
   GpuProcessHostUIShim::DestroyAll();
-  gpu_thread_.reset();
 
   // Need to stop io_thread_ before resource_dispatcher_host_, since
   // io_thread_ may still deref ResourceDispatcherHost and handle resource
   // request before going away.
   io_thread_.reset();
 
   // The IO thread was the only user of this thread.
   cache_thread_.reset();
 
   // Stop the process launcher thread after the IO thread, in case the IO thread
@@ skipping 164 matching lines @@
   return process_launcher_thread_.get();
 }
 
 base::Thread* BrowserProcessImpl::cache_thread() {
   DCHECK(CalledOnValidThread());
   if (!created_cache_thread_)
     CreateCacheThread();
   return cache_thread_.get();
 }
 
-base::Thread* BrowserProcessImpl::gpu_thread() {
-  DCHECK(CalledOnValidThread());
-  if (!created_gpu_thread_)
-    CreateGpuThread();
-  return gpu_thread_.get();
-}
-
 #if defined(USE_X11)
 base::Thread* BrowserProcessImpl::background_x11_thread() {
   DCHECK(CalledOnValidThread());
   // The BACKGROUND_X11 thread is created when the IO thread is created.
   if (!created_io_thread_)
     CreateIOThread();
   return background_x11_thread_.get();
 }
 #endif
 
@@ skipping 411 matching lines @@
 
   scoped_ptr<base::Thread> thread(
       new BrowserThread(BrowserThread::CACHE));
   base::Thread::Options options;
   options.message_loop_type = MessageLoop::TYPE_IO;
   if (!thread->StartWithOptions(options))
     return;
   cache_thread_.swap(thread);
 }
 
-void BrowserProcessImpl::CreateGpuThread() {
-  DCHECK(!created_gpu_thread_ && !gpu_thread_.get());
-  created_gpu_thread_ = true;
-
-  scoped_ptr<base::Thread> thread(new BrowserThread(BrowserThread::GPU));
-
-  base::Thread::Options options;
-#if defined(OS_WIN)
-  // On Windows the GPU thread needs to pump the compositor child window's
-  // message loop. TODO(apatrick): make this an IO thread if / when we get rid
-  // of this child window. Unfortunately it might always be necessary for
-  // Windows XP because we cannot share the backing store textures between
-  // processes.
-  options.message_loop_type = MessageLoop::TYPE_UI;
-#else
-  options.message_loop_type = MessageLoop::TYPE_IO;
-#endif
-
-  if (!thread->StartWithOptions(options))
-    return;
-  gpu_thread_.swap(thread);
-}
-
 void BrowserProcessImpl::CreateWatchdogThread() {
   DCHECK(!created_watchdog_thread_ && watchdog_thread_.get() == NULL);
   created_watchdog_thread_ = true;
 
   scoped_ptr<WatchDogThread> thread(new WatchDogThread());
   if (!thread->Start())
     return;
   watchdog_thread_.swap(thread);
 }
 
@@ skipping 244 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartPersistentInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)