replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/power/idle_action_warning_observer.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_BROWSER_CHROMEOS_POWER_IDLE_ACTION_WARNING_OBSERVER_H_
 #define CHROME_BROWSER_CHROMEOS_POWER_IDLE_ACTION_WARNING_OBSERVER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chromeos/dbus/power_manager_client.h"
 
 namespace chromeos {
 
 class IdleActionWarningDialogView;
 
 // Listens for notifications that the idle action is imminent and shows a
 // warning dialog to the user.
 class IdleActionWarningObserver : public PowerManagerClient::Observer {
  public:
   IdleActionWarningObserver();
   virtual ~IdleActionWarningObserver();
 
   // PowerManagerClient::Observer:
   virtual void IdleActionImminent(
-      const base::TimeDelta& time_until_idle_action) OVERRIDE;
-  virtual void IdleActionDeferred() OVERRIDE;
+      const base::TimeDelta& time_until_idle_action) override;
+  virtual void IdleActionDeferred() override;
 
  private:
   IdleActionWarningDialogView* warning_dialog_;  // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(IdleActionWarningObserver);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_POWER_IDLE_ACTION_WARNING_OBSERVER_H_