The Tor Browser / file revision

 /* -*- Mode: IDL; 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/. */

 #include "domstubs.idl"

 [scriptable, uuid(55226663-fe68-48ba-addf-08e32eaab569)]

 interface nsIDOMHistory : nsISupports

 {

   // Empty interface that exists only for extension backwards compat

 };