Refactoring: Extract DocumentInit for capture Document construction parameter.

Source/core/xml/XMLHttpRequest.cpp

 /*
  *  Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved.
  *  Copyright (C) 2005-2007 Alexey Proskuryakov <ap@webkit.org>
  *  Copyright (C) 2007, 2008 Julien Chaffraix <jchaffraix@webkit.org>
  *  Copyright (C) 2008, 2011 Google Inc. All rights reserved.
  *  Copyright (C) 2012 Intel Corporation
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 226 matching lines @@
         bool isHTML = equalIgnoringCase(responseMIMEType(), "text/html");
 
         // The W3C spec requires the final MIME type to be some valid XML type, or text/html.
         // If it is text/html, then the responseType of "document" must have been supplied explicitly.
         if ((m_response.isHTTP() && !responseIsXML() && !isHTML)
             || (isHTML && m_responseTypeCode == ResponseTypeDefault)
             || scriptExecutionContext()->isWorkerGlobalScope()) {
             m_responseDocument = 0;
         } else {
             if (isHTML)
-                m_responseDocument = HTMLDocument::create(0, m_url);
+                m_responseDocument = HTMLDocument::create(DocumentInit(m_url));
             else
-                m_responseDocument = Document::create(0, m_url);
+                m_responseDocument = Document::create(DocumentInit(m_url));
             // FIXME: Set Last-Modified.
             m_responseDocument->setContent(m_responseText.flattenToString());
             m_responseDocument->setSecurityOrigin(securityOrigin());
             m_responseDocument->setContextFeatures(document()->contextFeatures());
             if (!m_responseDocument->wellFormed())
                 m_responseDocument = 0;
         }
         m_createdDocument = true;
     }
 
@@ skipping 1009 matching lines @@
     info.addMember(m_responseDocument, "responseDocument");
     info.addMember(m_binaryResponseBuilder, "binaryResponseBuilder");
     info.addMember(m_responseArrayBuffer, "responseArrayBuffer");
     info.addMember(m_lastSendURL, "lastSendURL");
     info.addMember(m_eventTargetData, "eventTargetData");
     info.addMember(m_progressEventThrottle, "progressEventThrottle");
     info.addMember(m_securityOrigin, "securityOrigin");
 }
 
 } // namespace WebCore