[net] Move DnsConfigService to NetworkChangeNotifier.

jingle/notifier/communicator/login.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 JINGLE_NOTIFIER_COMMUNICATOR_LOGIN_H_
 #define JINGLE_NOTIFIER_COMMUNICATOR_LOGIN_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 72 matching lines @@
   void UpdateXmppSettings(const buzz::XmppClientSettings& user_settings);
 
   // net::NetworkChangeNotifier::IPAddressObserver implementation.
   virtual void OnIPAddressChanged() OVERRIDE;
 
   // net::NetworkChangeNotifier::ConnectionTypeObserver implementation.
   virtual void OnConnectionTypeChanged(
       net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
 
   // net::NetworkChangeNotifier::DNSObserver implementation.
-  virtual void OnDNSChanged(unsigned detail) OVERRIDE;
+  virtual void OnDNSChanged() OVERRIDE;
 
   // SingleLoginAttempt::Delegate implementation.
   virtual void OnConnect(
       base::WeakPtr<buzz::XmppTaskParentInterface> base_task) OVERRIDE;
   virtual void OnRedirect(const ServerInformation& redirect_server) OVERRIDE;
   virtual void OnCredentialsRejected() OVERRIDE;
   virtual void OnSettingsExhausted() OVERRIDE;
 
  private:
   // Called by the various network notifications.
@@ skipping 18 matching lines @@
   // reconnection state.
   base::TimeDelta reconnect_interval_;
   base::OneShotTimer<Login> reconnect_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(Login);
 };
 
 }  // namespace notifier
 
 #endif  // JINGLE_NOTIFIER_COMMUNICATOR_LOGIN_H_