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/. */

 "use strict";

 function debug(str) {

   dump("CHROME PERMISSON HANDLER -- " + str + "\n");

 }

 const Cc = Components.classes;

 const Ci = Components.interfaces;

 const Cu = Components.utils;

 const { Services } = Cu.import("resource://gre/modules/Services.jsm");

 const { SystemAppProxy } = Cu.import("resource://gre/modules/SystemAppProxy.jsm");

 let eventHandler = function(evt) {

   if (!evt.detail || evt.detail.type !== "permission-prompt") {

     return;

   }

   sendAsyncMessage("permission-request", evt.detail);

 };

 SystemAppProxy.addEventListener("mozChromeEvent", eventHandler);

 // need to remove ChromeEvent listener after test finished.

 addMessageListener("teardown", function() {

   SystemAppProxy.removeEventListener("mozChromeEvent", eventHandler);

 });

 addMessageListener("permission-response", function(detail) {

   SystemAppProxy._sendCustomEvent('mozContentEvent', detail);

 });