Switch from OnIPAddressChanged and OnConnectionTypeChange to OnNetworkChanged

net/base/host_resolver_impl.h

Index: net/base/host_resolver_impl.h
diff --git a/net/base/host_resolver_impl.h b/net/base/host_resolver_impl.h
index d68d6abe0caf357f256c405c44dbf3970c4de628..8458abce9ecd9de220051e2a862895289f4bf016 100644
--- a/net/base/host_resolver_impl.h
+++ b/net/base/host_resolver_impl.h
@@ -59,7 +59,7 @@ class NetLog;
 class NET_EXPORT HostResolverImpl
     : public HostResolver,
       NON_EXPORTED_BASE(public base::NonThreadSafe),
-      public NetworkChangeNotifier::IPAddressObserver,
+      public NetworkChangeNotifier::NetworkChangeObserver,
       public NetworkChangeNotifier::DNSObserver {
  public:
   // Parameters for ProcTask which resolves hostnames using HostResolveProc.
@@ -215,8 +215,9 @@ class NET_EXPORT HostResolverImpl
   // a DnsClient with a valid DnsConfig.
   void TryServingAllJobsFromHosts();
 
-  // NetworkChangeNotifier::IPAddressObserver:
-  virtual void OnIPAddressChanged() OVERRIDE;
+  // NetworkChangeNotifier::NetworkChangeObserver:
+  virtual void OnNetworkChanged(
+      net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
 
   // NetworkChangeNotifier::DNSObserver:
   virtual void OnDNSChanged() OVERRIDE;