Start calculating new combined NetworkChangeNotifier signal

net/base/network_change_notifier_mac.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 NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
 #define NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
 
 #include <SystemConfiguration/SystemConfiguration.h>
 
 #include "base/basictypes.h"
@@ skipping 41 matching lines @@
   void StartReachabilityNotifications();
   void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store);
   void OnNetworkConfigChange(CFArrayRef changed_keys);
 
   void SetInitialConnectionType();
 
   static void ReachabilityCallback(SCNetworkReachabilityRef target,
                                    SCNetworkConnectionFlags flags,
                                    void* notifier);
 
+  static NetworkChangeCalculatorParams NetworkChangeCalculatorParamsMac();
+
   // These must be constructed before config_watcher_ to ensure
   // the lock is in a valid state when Forwarder::Init is called.
   ConnectionType connection_type_;
   bool connection_type_initialized_;
   mutable base::Lock connection_type_lock_;
   mutable base::ConditionVariable initial_connection_type_cv_;
   base::mac::ScopedCFTypeRef<SCNetworkReachabilityRef> reachability_;
   base::mac::ScopedCFTypeRef<CFRunLoopRef> run_loop_;
 
   Forwarder forwarder_;
   scoped_ptr<const NetworkConfigWatcherMac> config_watcher_;
 
   scoped_ptr<DnsConfigServiceThread> dns_config_service_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierMac);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_