Issue 656 - Replace some __proto__ with Object.create

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 50 matching lines @@
   toString: function()
   {
     return this.text;
   }
 };
 
 /**
  * Cache for known filters, maps string representation to filter objects.
  * @type Object
  */
-Filter.knownFilters = {__proto__: null};
+Filter.knownFilters = Object.create(null);
 
 /**
  * Regular expression that element hiding filters should match
  * @type RegExp
  */
 Filter.elemhideRegExp = /^([^\/\*\|\@"!]*?)#(\@)?(?:([\w\-]+|\*)((?:\([\w\-]+(?:[$^*]?=[^\(\)"]*)?\))*)|#([^{}]+))$/;
 /**
  * Regular expression that RegExp filters specified as RegExps should match
  * @type RegExp
  */
@@ skipping 277 matching lines @@
             include = false;
             domain = domain.substr(1);
           }
           else
           {
             include = true;
             hasIncludes = true;
           }
 
           if (!domains)
-            domains = {__proto__: null};
+            domains = Object.create(null);
 
           domains[domain] = include;
         }
         domains[""] = !hasIncludes;
       }
 
       this.domainSource = null;
     }
 
     Object.defineProperty(this, "domains", {value: domains, enumerable: true});
@@ skipping 511 matching lines @@
 function ElemHideException(text, domains, selector)
 {
   ElemHideBase.call(this, text, domains, selector);
 }
 exports.ElemHideException = ElemHideException;
 
 ElemHideException.prototype =
 {
   __proto__: ElemHideBase.prototype
 };