Replacing the OVERRIDE with override and FINAL with final in jingle

jingle/notifier/listener/push_notifications_listen_task.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.
 //
 // This class listens for notifications from the Google Push notifications
 // service, and signals when they arrive.  It checks all incoming stanzas to
 // see if they look like notifications, and filters out those which are not
 // valid.
 //
 // The task is deleted automatically by the buzz::XmppClient. This occurs in the
@@ skipping 21 matching lines @@
 
    protected:
     virtual ~Delegate();
   };
 
   PushNotificationsListenTask(buzz::XmppTaskParentInterface* parent,
                               Delegate* delegate);
   virtual ~PushNotificationsListenTask();
 
   // Overriden from buzz::XmppTask.
-  virtual int ProcessStart() OVERRIDE;
-  virtual int ProcessResponse() OVERRIDE;
-  virtual bool HandleStanza(const buzz::XmlElement* stanza) OVERRIDE;
+  virtual int ProcessStart() override;
+  virtual int ProcessResponse() override;
+  virtual bool HandleStanza(const buzz::XmlElement* stanza) override;
 
  private:
   bool IsValidNotification(const buzz::XmlElement* stanza);
 
   Delegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(PushNotificationsListenTask);
 };
 
 typedef PushNotificationsListenTask::Delegate
     PushNotificationsListenTaskDelegate;
 
 }  // namespace notifier
 
 #endif  // JINGLE_NOTIFIER_PUSH_NOTIFICATIONS_LISTENER_LISTEN_TASK_H_