Add OVERRIDE to content/.

content/gpu/gpu_watchdog_thread.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.
 
 #ifndef CONTENT_GPU_GPU_WATCHDOG_THREAD_H_
 #define CONTENT_GPU_GPU_WATCHDOG_THREAD_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/task.h"
 #include "base/threading/thread.h"
 #include "base/time.h"
 #include "content/common/gpu/gpu_watchdog.h"
 
 // A thread that intermitently sends tasks to a group of watched message loops
 // and deliberately crashes if one of them does not respond after a timeout.
 class GpuWatchdogThread : public base::Thread,
                           public GpuWatchdog,
                           public base::RefCountedThreadSafe<GpuWatchdogThread> {
  public:
   explicit GpuWatchdogThread(int timeout);
   virtual ~GpuWatchdogThread();
 
   // Accessible on watched thread but only modified by watchdog thread.
   bool armed() const { return armed_; }
   void PostAcknowledge();
 
   // Implement GpuWatchdog.
-  virtual void CheckArmed();
+  virtual void CheckArmed() OVERRIDE;
 
  protected:
-  virtual void Init();
-  virtual void CleanUp();
+  virtual void Init() OVERRIDE;
+  virtual void CleanUp() OVERRIDE;
 
  private:
 
   // An object of this type intercepts the reception and completion of all tasks
   // on the watched thread and checks whether the watchdog is armed.
   class GpuWatchdogTaskObserver : public MessageLoop::TaskObserver {
    public:
     explicit GpuWatchdogTaskObserver(GpuWatchdogThread* watchdog);
     virtual ~GpuWatchdogTaskObserver();
 
@@ skipping 24 matching lines @@
 
   base::Time arm_absolute_time_;
 
   typedef ScopedRunnableMethodFactory<GpuWatchdogThread> MethodFactory;
   scoped_ptr<MethodFactory> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuWatchdogThread);
 };
 
 #endif  // CONTENT_GPU_GPU_WATCHDOG_THREAD_H_