diff -r 000000000000 -r 6474c204b198 toolkit/mozapps/extensions/content/eula.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/mozapps/extensions/content/eula.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,21 @@
+// -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+
+/* 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/. */
+
+"use strict";
+
+function Startup() {
+  var bundle = document.getElementById("extensionsStrings");
+  var addon = window.arguments[0].addon;
+
+  document.documentElement.setAttribute("addontype", addon.type);
+
+  if (addon.iconURL)
+    document.getElementById("icon").src = addon.iconURL;
+
+  var label = document.createTextNode(bundle.getFormattedString("eulaHeader", [addon.name]));
+  document.getElementById("heading").appendChild(label);
+  document.getElementById("eula").value = addon.eula;
+}