Add OVERRIDE to jingle/.

jingle/notifier/communicator/single_login_attempt.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 JINGLE_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_
 #define JINGLE_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_
 
 #include <string>
 
+#include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "jingle/notifier/base/xmpp_connection.h"
 #include "jingle/notifier/communicator/xmpp_connection_generator.h"
 #include "talk/xmpp/xmppengine.h"
 
 namespace buzz {
 class XmppTaskParentInterface;
 }  // namespace buzz
 
 namespace notifier {
@@ skipping 19 matching lines @@
                             int redirect_port) = 0;
   };
 
   // Does not take ownership of |login_settings| or |delegate|.
   // Neither may be NULL.
   SingleLoginAttempt(LoginSettings* login_settings, Delegate* delegate);
 
   virtual ~SingleLoginAttempt();
 
   // XmppConnection::Delegate implementation.
-  virtual void OnConnect(base::WeakPtr<buzz::XmppTaskParentInterface> parent);
+  virtual void OnConnect(
+      base::WeakPtr<buzz::XmppTaskParentInterface> parent) OVERRIDE;
   virtual void OnError(buzz::XmppEngine::Error error,
                        int error_subcode,
-                       const buzz::XmlElement* stream_error);
+                       const buzz::XmlElement* stream_error) OVERRIDE;
 
   // XmppConnectionGenerator::Delegate implementation.
-  virtual void OnNewSettings(const ConnectionSettings& new_settings);
+  virtual void OnNewSettings(const ConnectionSettings& new_settings) OVERRIDE;
   virtual void OnExhaustedSettings(bool successfully_resolved_dns,
-                                   int first_dns_error);
+                                   int first_dns_error) OVERRIDE;
 
  private:
   LoginSettings* login_settings_;
   Delegate* delegate_;
   XmppConnectionGenerator connection_generator_;
   scoped_ptr<XmppConnection> xmpp_connection_;
 
   DISALLOW_COPY_AND_ASSIGN(SingleLoginAttempt);
 };
 
 }  // namespace notifier
 
 #endif  // JINGLE_NOTIFIER_COMMUNICATOR_SINGLE_LOGIN_ATTEMPT_H_