Update AbstractWorker, Worker and SharedWorker to match the spec

Source/core/workers/AbstractWorker.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ScriptExecutionContext.h"
 #include "core/page/ContentSecurityPolicy.h"
 #include "weborigin/SecurityOrigin.h"
 
 namespace WebCore {
 
 AbstractWorker::AbstractWorker(ScriptExecutionContext* context)
     : ActiveDOMObject(context)
 {
-    ScriptWrappable::init(this);
 }
 
 AbstractWorker::~AbstractWorker()
 {
 }
 
 void AbstractWorker::contextDestroyed()
 {
-    ActiveDOMObject::contextDestroyed(); 
+    ActiveDOMObject::contextDestroyed();
 }
 
 KURL AbstractWorker::resolveURL(const String& url, ExceptionCode& ec)
 {
     if (url.isEmpty()) {
         ec = SYNTAX_ERR;
         return KURL();
     }
 
     // FIXME: This should use the dynamic global scope (bug #27887)
@@ skipping 20 matching lines @@
 {
     return &m_eventTargetData;
 }
 
 EventTargetData* AbstractWorker::ensureEventTargetData()
 {
     return &m_eventTargetData;
 }
 
 } // namespace WebCore