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

chrome/browser/chromeos/session_length_limiter.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 CHROME_BROWSER_CHROMEOS_SESSION_LENGTH_LIMITER_H_
 #define CHROME_BROWSER_CHROMEOS_SESSION_LENGTH_LIMITER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 20 matching lines @@
     virtual void StopSession() = 0;
   };
 
   // Registers preferences.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
   SessionLengthLimiter(Delegate* delegate, bool browser_restarted);
   virtual ~SessionLengthLimiter();
 
   // wm::UserActivityObserver:
-  virtual void OnUserActivity(const ui::Event* event) OVERRIDE;
+  virtual void OnUserActivity(const ui::Event* event) override;
 
  private:
   // Attempt to restore the session start time and the flag indicating user
   // activity from local state. Return |true| if the restore is successful.
   bool RestoreStateAfterCrash();
 
   // Update the session start time if possible:
   // * If instructed to wait for initial user activity, the session start time
   //   advances every time this method is called as long as no user activity has
   //   occurred yet. The time is not persisted in local state.
@@ skipping 14 matching lines @@
   scoped_ptr<base::OneShotTimer<SessionLengthLimiter::Delegate> > timer_;
   base::TimeTicks session_start_time_;
   bool user_activity_seen_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionLengthLimiter);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SESSION_LENGTH_LIMITER_H_