Issue 3223 - Make context menu e10s compatible in Firefox

lib/child/contextMenu.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
 let {Services} = Cu.import("resource://gre/modules/Services.jsm", {});
 let {XPCOMUtils} = Cu.import("resource://gre/modules/XPCOMUtils.jsm", {});
 
 let {Utils} = require("utils");
 let {RequestNotifier} = require("child/requestNotifier");
 let {storeNodes} = require("child/contentPolicy");
 
-let getContextInfo =
 /**
  * Determines the context menu entries to be shown for a contextmenu event.
  * @param {Event} event
  * @return {Array}
  */
-exports.getContextInfo = function(event)
+function getContextInfo(event)
 {
   let items = [];
   let target = event.target;
   if (target.localName == "menupopup" && target.triggerNode)
   {
     // SeaMonkey gives us the context menu's popupshowing event
     target = target.triggerNode;
   }
   if (target instanceof Ci.nsIDOMHTMLMapElement || target instanceof Ci.nsIDOMHTMLAreaElement)
   {
@@ skipping 88 matching lines @@
   },
   QueryInterface: XPCOMUtils.generateQI([Ci.nsISupportsWeakReference, Ci.nsIObserver])
 };
 
 let addObserver = Utils.getPropertyWithoutCompatShims(Services.obs, "addObserver");
 addObserver.call(Services.obs, ContextMenuObserver, "content-contextmenu", true);
 onShutdown.add(() => {
   let removeObserver = Utils.getPropertyWithoutCompatShims(Services.obs, "removeObserver");
   removeObserver.call(Services.obs, ContextMenuObserver, "content-contextmenu");
 });