Invoke createNetwork() callback with GUID, not service name

chrome/browser/chromeos/net/onc_utils.cc

Index: chrome/browser/chromeos/net/onc_utils.cc
diff --git a/chrome/browser/chromeos/net/onc_utils.cc b/chrome/browser/chromeos/net/onc_utils.cc
index 36c5df80b52d45369ca099dffa95bc9413a2ef3d..22bec7033826470fa8e582a25c969db7bd1c9d40 100644
--- a/chrome/browser/chromeos/net/onc_utils.cc
+++ b/chrome/browser/chromeos/net/onc_utils.cc
@@ -141,7 +141,7 @@ void ImportNetworksForUser(const user_manager::User* user,
     } else {
       config_handler->CreateShillConfiguration(
           *shill_dict, NetworkConfigurationObserver::SOURCE_USER_ACTION,
-          network_handler::StringResultCallback(),
+          network_handler::ServiceResultCallback(),
           network_handler::ErrorCallback());
     }
   }