Issue 3870 - Rewrite legacy options page to use async messages

background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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/>.
  */
 
-with(require("filterClasses"))
-{
-  this.RegExpFilter = RegExpFilter;
-  this.WhitelistFilter = WhitelistFilter;
-}
-var FilterStorage = require("filterStorage").FilterStorage;
-var SpecialSubscription = require("subscriptionClasses").SpecialSubscription;
+var RegExpFilter = require("filterClasses").RegExpFilter;
 var ElemHide = require("elemHide").ElemHide;
 var checkWhitelisted = require("whitelisting").checkWhitelisted;
 var extractHostFromFrame = require("url").extractHostFromFrame;
 var port = require("messaging").port;
 var devtools = require("devtools");
 
 port.on("get-selectors", function(msg, sender)
 {
   var selectors;
   var trace = devtools && devtools.hasPanel(sender.page);
@@ skipping 21 matching lines @@
     targetPage = sender.page;
 
   if (targetPage)
   {
     msg.payload.sender = sender.page.id;
     if (msg.expectsResponse)
       return new Promise(targetPage.sendMessage.bind(targetPage, msg.payload));
     targetPage.sendMessage(msg.payload);
   }
 });