Listen to OnNetworkChanged instead of OnIPAddressChanged

net/base/network_change_notifier.cc

Index: net/base/network_change_notifier.cc
diff --git a/net/base/network_change_notifier.cc b/net/base/network_change_notifier.cc
index d451e075aa1e79289b5311ab4d03602e8f9d9a56..b75a5438b81692975a43002084b5b91a1e94dd1d 100644
--- a/net/base/network_change_notifier.cc
+++ b/net/base/network_change_notifier.cc
@@ -724,6 +724,13 @@ void NetworkChangeNotifier::NotifyObserversOfConnectionTypeChangeForTests(
 }
 
 // static
+void NetworkChangeNotifier::NotifyObserversOfNetworkChangeForTests(
+    ConnectionType type) {
+  if (g_network_change_notifier)
+    g_network_change_notifier->NotifyObserversOfNetworkChangeImpl(type);
+}
+
+// static
 void NetworkChangeNotifier::SetTestNotificationsOnly(bool test_only) {
   if (g_network_change_notifier)
     g_network_change_notifier->test_notifications_only_ = test_only;