replace OVERRIDE and FINAL with override and final in chrome/browser/[j-q]*

chrome/browser/notifications/screen_lock_notification_blocker.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_NOTIFICATIONS_SCREEN_LOCK_NOTIFICATION_BLOCKER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_SCREEN_LOCK_NOTIFICATION_BLOCKER_H_
 
 #include "base/basictypes.h"
 #include "base/observer_list.h"
 #include "base/timer/timer.h"
 #include "ui/message_center/notification_blocker.h"
 
 // A notification blocker which checks the screen lock state constantly.
 class ScreenLockNotificationBlocker
     : public message_center::NotificationBlocker {
  public:
   explicit ScreenLockNotificationBlocker(
       message_center::MessageCenter* message_center);
   virtual ~ScreenLockNotificationBlocker();
 
   bool is_locked() const { return is_locked_; }
 
   // message_center::NotificationBlocker overrides:
-  virtual void CheckState() OVERRIDE;
+  virtual void CheckState() override;
   virtual bool ShouldShowNotificationAsPopup(
-      const message_center::NotifierId& notifier_id) const OVERRIDE;
+      const message_center::NotifierId& notifier_id) const override;
 
  private:
   bool is_locked_;
 
   base::OneShotTimer<ScreenLockNotificationBlocker> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(ScreenLockNotificationBlocker);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_SCREEN_LOCK_NOTIFICATION_BLOCKER_H_