Replace OnIPAddressChanged with OnNetworkChanged.

chrome/browser/local_discovery/service_discovery_host_client.h

Index: chrome/browser/local_discovery/service_discovery_host_client.h
diff --git a/chrome/browser/local_discovery/service_discovery_host_client.h b/chrome/browser/local_discovery/service_discovery_host_client.h
index dbb7071788cdf4e7d05cf59888be73f458253876..efbb02532db4323fb9c47c8bc7b4c2048bd0bbc9 100644
--- a/chrome/browser/local_discovery/service_discovery_host_client.h
+++ b/chrome/browser/local_discovery/service_discovery_host_client.h
@@ -30,7 +30,7 @@ class ServiceDiscoveryHostClient
     : public base::NonThreadSafe,
       public ServiceDiscoveryClient,
       public content::UtilityProcessHostClient,
-      public net::NetworkChangeNotifier::IPAddressObserver {
+      public net::NetworkChangeNotifier::NetworkChangeObserver {
  public:
   ServiceDiscoveryHostClient();
 
@@ -55,8 +55,9 @@ class ServiceDiscoveryHostClient
   // UtilityProcessHostClient implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
-  // net::NetworkChangeNotifier::IPAddressObserver implementation.
-  virtual void OnIPAddressChanged() OVERRIDE;
+  // net::NetworkChangeNotifier::NetworkChangeObserver implementation.
+  virtual void OnNetworkChanged(
+      net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
 
  protected:
   virtual ~ServiceDiscoveryHostClient();
@@ -76,6 +77,8 @@ class ServiceDiscoveryHostClient
   void ShutdownOnIOThread();
   void RestartOnIOThread();
 
+  void Restart();
+
   void Send(IPC::Message* msg);
   void SendOnIOThread(IPC::Message* msg);