Add NetworkStateHandler::RequestUpdateForNetwork

chromeos/network/network_configuration_handler.h

Index: chromeos/network/network_configuration_handler.h
diff --git a/chromeos/network/network_configuration_handler.h b/chromeos/network/network_configuration_handler.h
index 1707ca06a236569535fd7f88f5991cd453977e25..802798aa35b0ed4df6d3417632b8e42d8345ce3b 100644
--- a/chromeos/network/network_configuration_handler.h
+++ b/chromeos/network/network_configuration_handler.h
@@ -83,6 +83,8 @@ class CHROMEOS_EXPORT NetworkConfigurationHandler {
   // Creates a network with the given properties in the active Shill profile,
   // and returns the new service_path to |callback| if successful. See note on
   // |callback| and |error_callback|, in class description above.
+  // This may also be used to update an existing matching configuration, see
+  // Shill documentation for Manager.ConfigureService and Manger.GetService.
   void CreateConfiguration(
       const base::DictionaryValue& properties,
       const network_handler::StringResultCallback& callback,