Plumb through NetworkChangeNotifier::IsOffline() to WebKit, enabling

jingle/notifier/communicator/login.cc

 // Copyright (c) 2010 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 29 matching lines @@
              bool try_ssltcp_first)
     : delegate_(delegate),
       login_settings_(new LoginSettings(user_settings,
                                         options,
                                         host_resolver,
                                         cert_verifier,
                                         server_list,
                                         server_count,
                                         try_ssltcp_first)),
       redirect_port_(0) {
-  net::NetworkChangeNotifier::AddObserver(this);
+  net::NetworkChangeNotifier::AddIPAddressObserver(this);
   ResetReconnectState();
 }
 
 Login::~Login() {
-  net::NetworkChangeNotifier::RemoveObserver(this);
+  net::NetworkChangeNotifier::RemoveIPAddressObserver(this);
 }
 
 void Login::StartConnection() {
   // If there is a server redirect, use it.
   if (base::Time::Now() <
       (redirect_time_ +
        base::TimeDelta::FromMinutes(kRedirectTimeoutMinutes))) {
     // Override server/port with redirect values.
     DCHECK_NE(redirect_port_, 0);
     net::HostPortPair server_override(redirect_server_, redirect_port_);
@@ skipping 57 matching lines @@
   const base::TimeDelta kMaxReconnectInterval =
       base::TimeDelta::FromMinutes(30);
   reconnect_interval_ *= 2;
   if (reconnect_interval_ > kMaxReconnectInterval)
     reconnect_interval_ = kMaxReconnectInterval;
   VLOG(1) << "Reconnecting...";
   StartConnection();
 }
 
 }  // namespace notifier