[experiment] Issue 7045 - Optimize V8 memory layout of filter text

lib/filterText.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 46 matching lines @@
  */
 function trueSlice(string)
 {
   return JSON.parse(JSON.stringify(string));
 }
 
 /**
  * Optimizes content filter text.
  *
  * @param {string} text The filter text.
- * @param {string} domains The domains part of the filter text.
+ * @param {?string} [domains] The domains part of the filter text.
  * @param {?string} [type] The type part of the filter text, either
  *   <code>null</code> or <code>undefined</code>, or one of <code>@</code>,
  *   <code>?</code>, and <code>$</code>.
  * @param {string} body The body part of the filter text.
  *
  * @returns {Array.<string>} An array containing the optimized filter text and
  *   its optimized parts.
  */
 function optimizeContentFilterText(text, domains, type, body)
 {
@@ skipping 71 matching lines @@
     else
     {
       strings.set(domains, domains);
     }
   }
 
   return [text, pattern, domains, sitekeys, csp, rewrite];
 }
 
 exports.optimizeRegExpFilterText = optimizeRegExpFilterText;