Remove beforeload events.

Source/core/dom/ScriptLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 232 matching lines @@
     }
 
     return true;
 }
 
 bool ScriptLoader::fetchScript(const String& sourceUrl)
 {
     ASSERT(m_element);
 
     RefPtr<Document> elementDocument(m_element->document());
-    if (!m_element->dispatchBeforeLoadEvent(sourceUrl))
-        return false;
     if (!m_element->inDocument() || m_element->document() != elementDocument)
         return false;
 
     ASSERT(!m_resource);
     if (!stripLeadingAndTrailingHTMLSpaces(sourceUrl).isEmpty()) {
         FetchRequest request(ResourceRequest(elementDocument->completeURL(sourceUrl)), m_element->localName());
 
         AtomicString crossOriginMode = m_element->fastGetAttribute(HTMLNames::crossoriginAttr);
         if (!crossOriginMode.isNull())
             request.setCrossOriginAccessControl(elementDocument->securityOrigin(), crossOriginMode);
@@ skipping 172 matching lines @@
     if (isHTMLScriptLoader(element))
         return toHTMLScriptElement(element)->loader();
 
     if (isSVGScriptLoader(element))
         return toSVGScriptElement(element)->loader();
 
     return 0;
 }
 
 }