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/. */

 #include "domstubs.idl"

 [scriptable, function, uuid(42692976-57fd-4bb4-ab95-2b97ebdc5056)]

 interface nsIDOMSystemMessageCallback : nsISupports

 {

     void handleMessage(in jsval message);

 };

 [scriptable, uuid(091e90dd-0e8b-463d-8cdc-9225d3a6ff90)]

 interface nsIDOMNavigatorSystemMessages : nsISupports

 {

     void mozSetMessageHandler(in DOMString type, in nsIDOMSystemMessageCallback callback);

     boolean mozHasPendingMessage(in DOMString type); 

 };