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/. */

 const { Cc, Ci } = require("chrome");

 exports.main = function(options, callbacks) {

   // Close Firefox window. Firefox should quit.

   require("sdk/deprecated/window-utils").activeBrowserWindow.close();

   // But not on Mac where it stay alive! We have to request application quit.

   if (require("sdk/system/runtime").OS == "Darwin") {

     let appStartup = Cc['@mozilla.org/toolkit/app-startup;1'].

                      getService(Ci.nsIAppStartup);

     appStartup.quit(appStartup.eAttemptQuit);

   }

 }