The Tor Browser / file revision

 /* -*- Mode: IDL; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* vim: set ts=2 et sw=2 tw=80: */

 /* 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/. */

 dictionary ActivityOptions {

   DOMString name = "";

   any data = null;

 };

 [Pref="dom.sysmsg.enabled",

  Constructor(optional ActivityOptions options)]

 interface MozActivity : DOMRequest {

 };