Standardize usage of virtual/override/final in chrome/

chrome/test/remoting/waiter.h

 // Copyright 2013 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 CHROME_TEST_REMOTING_WAITER_H_
 #define CHROME_TEST_REMOTING_WAITER_H_
 
 #include "base/timer/timer.h"
 
 namespace content {
@@ skipping 31 matching lines @@
 
 // With a message loop running, keep calling callback in the specified
 // interval until true is returned.
 class ConditionalTimeoutWaiter : public TimeoutWaiter {
  public:
   typedef base::Callback<bool(void)> Predicate;
 
   ConditionalTimeoutWaiter(base::TimeDelta timeout,
                            base::TimeDelta interval,
                            const Predicate& callback);
-  virtual ~ConditionalTimeoutWaiter();
+  ~ConditionalTimeoutWaiter() override;
 
   // Returns true if |callback_| returned true and false in case of timeout.
-  virtual bool Wait() override;
+  bool Wait() override;
 
  protected:
-  virtual void CancelWait() override;
+  void CancelWait() override;
 
  private:
   // Callback used to cancel the ConditionalTimeoutWaiter::Wait.
   void CancelWaitCallback();
 
   base::TimeDelta interval_;
   Predicate callback_;
   base::RepeatingTimer<ConditionalTimeoutWaiter> condition_timer_;
   bool success_;
 
   DISALLOW_COPY_AND_ASSIGN(ConditionalTimeoutWaiter);
 };
 
 }  // namespace remoting
 
 #endif  // CHROME_TEST_REMOTING_WAITER_H_