The Tor Browser / file revision

 /* 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";

 const Ci = Components.interfaces;

 const Cu = Components.utils;

 Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm");

 if (!PrivateBrowsingUtils.isWindowPrivate(window)) {

   document.addEventListener("DOMContentLoaded", function () {

     document.body.setAttribute("class", "normal");

   }, false);

 }