Issue 6538, 6781 - Minimize access to ElemHideBase's selector property

lib/elemHideEmulation.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 51 matching lines @@
    * @param {string} domain
    * @return {ElemHideEmulationFilter[]}
    */
   getRulesForDomain(domain)
   {
     let result = [];
     for (let text of filters.values())
     {
       let filter = Filter.fromText(text);
       if (filter.isActiveOnDomain(domain) &&
-          !ElemHide.getException(filter, domain))
+          !ElemHide.getException(filter.selector, domain))
       {
         result.push(filter);
       }
     }
     return result;
   }
 };
 exports.ElemHideEmulation = ElemHideEmulation;