Switch from OnIPAddressChanged and OnConnectionTypeChange to OnNetworkChanged

chrome/browser/net/dns_probe_service.h

Index: chrome/browser/net/dns_probe_service.h
diff --git a/chrome/browser/net/dns_probe_service.h b/chrome/browser/net/dns_probe_service.h
index c40967acc10c64e35dc34b5739b580b9dcd4a150..41e8c520bc617665abd1cc9445586bd926ddeac1 100644
--- a/chrome/browser/net/dns_probe_service.h
+++ b/chrome/browser/net/dns_probe_service.h
@@ -20,7 +20,8 @@ struct DnsConfig;
 
 namespace chrome_browser_net {
 
-class DnsProbeService : public net::NetworkChangeNotifier::IPAddressObserver {
+class DnsProbeService
+    : public net::NetworkChangeNotifier::NetworkChangeObserver {
  public:
   typedef base::Callback<void(chrome_common_net::DnsProbeResult result)>
       CallbackType;
@@ -30,8 +31,9 @@ class DnsProbeService : public net::NetworkChangeNotifier::IPAddressObserver {
 
   void ProbeDns(const CallbackType& callback);
 
-  // NetworkChangeNotifier::IPAddressObserver implementation:
-  virtual void OnIPAddressChanged() OVERRIDE;
+  // NetworkChangeNotifier::NetworkChangeObserver implementation:
+  virtual void OnNetworkChanged(
+      net::NetworkChangeNotifier::ConnectionType type) OVERRIDE;
 
  protected:
   // This can be called by tests to pretend the cached reuslt has expired.