Issue 5781 - Remove message responder code for emulated element hiding filters

messageResponder.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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
@@ skipping 11 matching lines @@
 (function(global)
 {
   let ext = global.ext || require("ext_background");
 
   const {port} = require("messaging");
   const {Prefs} = require("prefs");
   const {Utils} = require("utils");
   const {FilterStorage} = require("filterStorage");
   const {FilterNotifier} = require("filterNotifier");
   const {defaultMatcher} = require("matcher");
-  const {ElemHideEmulation} = require("elemHideEmulation");
   const {Notification: NotificationStorage} = require("notification");
 
   const {Filter, BlockingFilter, RegExpFilter} = require("filterClasses");
   const {Synchronizer} = require("synchronizer");
 
   const info = require("info");
   const {
     Subscription,
     DownloadableSubscription,
     SpecialSubscription
@@ skipping 176 matching lines @@
   {
     let filter = defaultMatcher.matchesAny(message.url,
       RegExpFilter.typeMap[message.requestType], message.docDomain,
       message.thirdParty);
 
     return filter instanceof BlockingFilter;
   });
 
   port.on("filters.get", (message, sender) =>
   {
-    if (message.what == "elemhideemulation")
-    {
-      let filters = [];
-      const {checkWhitelisted} = require("whitelisting");
-
-      let isWhitelisted = checkWhitelisted(sender.page, sender.frame,
-        RegExpFilter.typeMap.DOCUMENT | RegExpFilter.typeMap.ELEMHIDE);
-      if (Prefs.enabled && !isWhitelisted)
-      {
-        let {hostname} = sender.frame.url;
-        filters = ElemHideEmulation.getRulesForDomain(hostname);
-        filters = filters.map((filter) =>
-        {
-          return {
-            selector: filter.selector,
-            text: filter.text
-          };
-        });
-      }
-      return filters;
-    }
-
     let subscription = Subscription.fromURL(message.subscriptionUrl);
     if (!subscription)
       return [];
 
     return subscription.filters.map(convertFilter);
   });
 
   port.on("filters.importRaw", (message, sender) =>
   {
     let result = require("filterValidation").parseFilters(message.text);
@@ skipping 166 matching lines @@
     if (message.url)
       subscriptions = [Subscription.fromURL(message.url)];
 
     for (let subscription of subscriptions)
     {
       if (subscription instanceof DownloadableSubscription)
         Synchronizer.execute(subscription, true);
     }
   });
 })(this);