Fix gpu acceleration with --in-process-gpu

chrome/test/testing_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.
 
 // An implementation of BrowserProcess for unit tests that fails for most
 // services. By preventing creation of services, we reduce dependencies and
 // keep the profile clean. Clients of this class must handle the NULL return
 // value, however.
 
 #ifndef CHROME_TEST_TESTING_BROWSER_PROCESS_H_
@@ skipping 41 matching lines @@
 #if defined(OS_LINUX)
   virtual base::Thread* background_x11_thread();
 #endif
 
   virtual base::Thread* file_thread();
 
   virtual base::Thread* db_thread();
 
   virtual base::Thread* cache_thread();
 
-  virtual base::Thread* gpu_thread();
-
   virtual WatchDogThread* watchdog_thread();
 
 #if defined(OS_CHROMEOS)
   virtual base::Thread* web_socket_proxy_thread();
 #endif
 
   virtual ProfileManager* profile_manager();
 
   virtual PrefService* local_state();
 
@@ skipping 107 matching lines @@
 
  private:
   // TODO(phajdan.jr): Temporary, for http://crbug.com/61062.
   // After the transition is over, we should just stack-allocate it.
   scoped_ptr<TestingBrowserProcess> browser_process_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedTestingBrowserProcess);
 };
 
 #endif  // CHROME_TEST_TESTING_BROWSER_PROCESS_H_