Issue 4387 - Add websocket request type

lib/filterClasses.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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 736 matching lines @@
  * Maps type strings like "SCRIPT" or "OBJECT" to bit masks
  */
 RegExpFilter.typeMap = {
   OTHER: 1,
   SCRIPT: 2,
   IMAGE: 4,
   STYLESHEET: 8,
   OBJECT: 16,
   SUBDOCUMENT: 32,
   DOCUMENT: 64,
+  WEBSOCKET: 128,
   XBL: 1,
   PING: 1024,
   XMLHTTPREQUEST: 2048,
   OBJECT_SUBREQUEST: 4096,
   DTD: 1,
   MEDIA: 16384,
   FONT: 32768,
 
   BACKGROUND: 4,    // Backwards compat, same as IMAGE
 
@@ skipping 265 matching lines @@
     // several times on Safari, due to WebKit bug 132872
     let prop = Object.getOwnPropertyDescriptor(this, "regexpString");
     if (prop)
       return prop.value;
 
     let regexp = Filter.toRegExp(this.regexpSource);
     Object.defineProperty(this, "regexpString", {value: regexp});
     return regexp;
   }
 });