Provide Shill Error to failure notification

chromeos/network/network_connection_handler.cc

Index: chromeos/network/network_connection_handler.cc
diff --git a/chromeos/network/network_connection_handler.cc b/chromeos/network/network_connection_handler.cc
index 6600e56e0e16ddddecfa3f2f36cf9ab4a291f2d2..3821c8bae17ccce0ded86fad445f70e804dbb1f5 100644
--- a/chromeos/network/network_connection_handler.cc
+++ b/chromeos/network/network_connection_handler.cc
@@ -593,7 +593,7 @@ void NetworkConnectionHandler::CheckPendingRequest(
   if (error_callback.is_null())
     return;
   scoped_ptr<base::DictionaryValue> error_data(
-      network_handler::CreateErrorData(service_path, error_name, error_msg));
+      network_handler::CreateErrorData(service_path, error_name, error_detail));
   error_callback.Run(error_name, error_data.Pass());
 }