[net] Move DnsConfigService to NetworkChangeNotifier.

jingle/notifier/communicator/login.cc

 // 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.
 
 #include "jingle/notifier/communicator/login.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/rand_util.h"
@@ skipping 82 matching lines @@
   DVLOG(1) << "Detected IP address change";
   OnNetworkEvent();
 }
 
 void Login::OnConnectionTypeChanged(
     net::NetworkChangeNotifier::ConnectionType type) {
   DVLOG(1) << "Detected connection type change";
   OnNetworkEvent();
 }
 
-void Login::OnDNSChanged(unsigned detail) {
+void Login::OnDNSChanged() {
   DVLOG(1) << "Detected DNS change";
   OnNetworkEvent();
 }
 
 void Login::OnNetworkEvent() {
   // Reconnect in 1 to 9 seconds (vary the time a little to try to
   // avoid spikey behavior on network hiccups).
   reconnect_interval_ = base::TimeDelta::FromSeconds(base::RandInt(1, 9));
   TryReconnect();
   delegate_->OnTransientDisconnection();
@@ skipping 20 matching lines @@
   const base::TimeDelta kMaxReconnectInterval =
       base::TimeDelta::FromMinutes(30);
   reconnect_interval_ *= 2;
   if (reconnect_interval_ > kMaxReconnectInterval)
     reconnect_interval_ = kMaxReconnectInterval;
   DVLOG(1) << "Reconnecting...";
   StartConnection();
 }
 
 }  // namespace notifier