Add OVERRIDE to remoting/.

remoting/jingle_glue/javascript_signal_strategy.h

 // Copyright (c) 2011 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 REMOTING_JINGLE_GLUE_JAVASCRIPT_SIGNAL_STRATEGY_H_
 #define REMOTING_JINGLE_GLUE_JAVASCRIPT_SIGNAL_STRATEGY_H_
 
 #include "remoting/jingle_glue/signal_strategy.h"
 
 #include <vector>
@@ skipping 19 matching lines @@
 
   // SignalStrategy interface.
   virtual void Init(StatusObserver* observer) OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual void AddListener(Listener* listener) OVERRIDE;
   virtual void RemoveListener(Listener* listener) OVERRIDE;
   virtual bool SendStanza(buzz::XmlElement* stanza) OVERRIDE;
   virtual std::string GetNextId() OVERRIDE;
 
   // XmppProxy::ResponseCallback interface.
-  virtual void OnIq(const std::string& stanza);
+  virtual void OnIq(const std::string& stanza) OVERRIDE;
 
  private:
   std::string your_jid_;
   scoped_refptr<XmppProxy> xmpp_proxy_;
 
   std::vector<Listener*> listeners_;
 
   int last_id_;
 
   DISALLOW_COPY_AND_ASSIGN(JavascriptSignalStrategy);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_JINGLE_GLUE_JAVASCRIPT_SIGNAL_STRATEGY_H_