NetworkChangeNotifierChromeos: Handle IPConfig property changes on the default network

chromeos/network/network_change_notifier_chromeos.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 CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
 #define CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 55 matching lines @@
                               const std::string& technology);
 
   // Calculates parameters used for network change notifier online/offline
   // signals.
   static net::NetworkChangeNotifier::NetworkChangeCalculatorParams
       NetworkChangeCalculatorParamsChromeos();
 
   NetworkChangeNotifier::ConnectionType connection_type_;
   // IP address for the current default network.
   std::string ip_address_;
+  // DNS servers for the current default network.
+  std::string dns_servers_;
   // Service path for the current default network.
   std::string service_path_;
 
   scoped_ptr<DnsConfigService> dns_config_service_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierChromeos);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_NETWORK_NETWORK_CHANGE_NOTIFIER_CHROMEOS_H_