diff -r 000000000000 -r 6474c204b198 dom/bluetooth/ipc/BluetoothMessageUtils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/bluetooth/ipc/BluetoothMessageUtils.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_bluetooth_ipc_bluetoothmessageutils_h__
+#define mozilla_dom_bluetooth_ipc_bluetoothmessageutils_h__
+
+#include "mozilla/dom/bluetooth/BluetoothCommon.h"
+#include "ipc/IPCMessageUtils.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::dom::bluetooth::BluetoothObjectType>
+  : public ContiguousEnumSerializer<
+             mozilla::dom::bluetooth::BluetoothObjectType,
+             mozilla::dom::bluetooth::TYPE_MANAGER,
+             mozilla::dom::bluetooth::TYPE_INVALID>
+{ };
+
+} // namespace IPC
+
+#endif // mozilla_dom_bluetooth_ipc_bluetoothchild_h__