Issue 5141 - Convert filter match to C++

compiled/library.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 90 matching lines @@
 
   MatchRegExp__deps: ["$_regexp_data"],
   MatchRegExp: function(id, str, reMatchResults)
   {
     var string = readString(str);
     var result = new exports.ReMatchResults(reMatchResults);
     var matches = string.match(_regexp_data[id]);
     if (!matches)
       return false;
     for (var i = 0; i < matches.length; i++)
-      result.push(createString(matches[i]));
+      result.push(matches[i]);
     return true;
   }
 });