diff -r 000000000000 -r 6474c204b198 dom/wappush/tests/header_helpers.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/wappush/tests/header_helpers.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
+
+
+let subscriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"]
+                        .getService(Ci.mozIJSSubScriptLoader);