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/.

  */

 [JSImplementation="@mozilla.org/sidebar;1"]

 interface External

 {

   void AddSearchProvider(DOMString aDescriptionURL);

   unsigned long IsSearchProviderInstalled(DOMString aSearchURL);

 };

 // Mozilla extension

 partial interface External {

   void addSearchEngine(DOMString engineURL, DOMString iconURL,

                        DOMString suggestedTitle, DOMString suggestedCategory);

 };