Issue 419 - ElemHideFilter.domains getter doesn`t persist on Safari

lib/filterClasses.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 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 349 matching lines @@
             domains = {__proto__: null};
 
           domains[domain] = include;
         }
         domains[""] = !hasIncludes;
       }
 
       this.domainSource = null;
     }
 
-    this.__defineGetter__("domains", function() domains);
+    Object.defineProperty(this, "domains", {value: domains, enumerable: true});
     return this.domains;
   },
 
   /**
    * Checks whether this filter is active on a domain.
    */
   isActiveOnDomain: function(/**String*/ docDomain) /**Boolean*/
   {
     // If no domains are set the rule matches everywhere
     if (!this.domains)
@@ skipping 501 matching lines @@
 function ElemHideException(text, domains, selector)
 {
   ElemHideBase.call(this, text, domains, selector);
 }
 exports.ElemHideException = ElemHideException;
 
 ElemHideException.prototype =
 {
   __proto__: ElemHideBase.prototype
 };