gecko-dev/webapprt/prefs.js

/* 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/. */

pref("browser.chromeURL", "chrome://webapprt/content/webapp.xul");