Fix gpu acceleration with --in-process-gpu

chrome/browser/browser_process.h

 // 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.
 
 // This interface is for managing the global services of the application. Each
 // service is lazily created when requested the first time. The service getters
 // will return NULL if the service is not available, so callers must check for
 // this condition.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_H_
@@ skipping 112 matching lines @@
   // It might be nicer to have a thread pool for this kind of thing.
   virtual base::Thread* file_thread() = 0;
 
   // Returns the thread that is used for database operations such as the web
   // database. History has its own thread since it has much higher traffic.
   virtual base::Thread* db_thread() = 0;
 
   // Returns the thread that is used for background cache operations.
   virtual base::Thread* cache_thread() = 0;
 
-  // Returns the thread that issues GPU calls.
-  virtual base::Thread* gpu_thread() = 0;
-
 #if defined(USE_X11)
   // Returns the thread that is used to process UI requests in cases where
   // we can't route the request to the UI thread. Note that this thread
   // should only be used by the IO thread and this method is only safe to call
   // from the UI thread so, if you've ended up here, something has gone wrong.
   // This method is only included for uniformity.
   virtual base::Thread* background_x11_thread() = 0;
 #endif
 
   // Returns the thread that is used for health check of all browser threads.
@@ skipping 96 matching lines @@
 
   // Used for testing plugin data removal at shutdown.
   std::string plugin_data_remover_mime_type_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserProcess);
 };
 
 extern BrowserProcess* g_browser_process;
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_H_