Standardize usage of virtual/override/final in content/

content/gpu/gpu_watchdog_thread.h

 // Copyright (c) 2012 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/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 11 matching lines @@
                           public base::PowerObserver,
                           public base::RefCountedThreadSafe<GpuWatchdogThread> {
  public:
   explicit GpuWatchdogThread(int timeout);
 
   // Accessible on watched thread but only modified by watchdog thread.
   bool armed() const { return armed_; }
   void PostAcknowledge();
 
   // Implement GpuWatchdog.
-  virtual void CheckArmed() override;
+  void CheckArmed() override;
 
   // Must be called after a PowerMonitor has been created. Can be called from
   // any thread.
   void AddPowerObserver();
 
  protected:
-  virtual void Init() override;
-  virtual void CleanUp() override;
+  void Init() override;
+  void CleanUp() override;
 
  private:
   friend class base::RefCountedThreadSafe<GpuWatchdogThread>;
 
   // 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 base::MessageLoop::TaskObserver {
    public:
     explicit GpuWatchdogTaskObserver(GpuWatchdogThread* watchdog);
-    virtual ~GpuWatchdogTaskObserver();
+    ~GpuWatchdogTaskObserver() override;
 
     // Implements MessageLoop::TaskObserver.
-    virtual void WillProcessTask(
-        const base::PendingTask& pending_task) override;
-    virtual void DidProcessTask(const base::PendingTask& pending_task) override;
+    void WillProcessTask(const base::PendingTask& pending_task) override;
+    void DidProcessTask(const base::PendingTask& pending_task) override;
 
    private:
     GpuWatchdogThread* watchdog_;
   };
 
-  virtual ~GpuWatchdogThread();
+  ~GpuWatchdogThread() override;
 
   void OnAcknowledge();
   void OnCheck(bool after_suspend);
   void DeliberatelyTerminateToRecoverFromHang();
 
   void OnAddPowerObserver();
 
   // Implement PowerObserver.
-  virtual void OnSuspend() override;
-  virtual void OnResume() override;
+  void OnSuspend() override;
+  void OnResume() override;
 
 #if defined(OS_WIN)
   base::TimeDelta GetWatchedThreadTime();
 #endif
 
   base::MessageLoop* watched_message_loop_;
   base::TimeDelta timeout_;
   volatile bool armed_;
   GpuWatchdogTaskObserver task_observer_;
 
@@ skipping 13 matching lines @@
 #endif
 
   base::WeakPtrFactory<GpuWatchdogThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuWatchdogThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_GPU_GPU_WATCHDOG_THREAD_H_