Use TreeScope::completeURL and baseURL instead of the Document versions

Source/core/html/HTMLObjectElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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 184 matching lines @@
         }
     }
 
     mapDataParamToSrc(&paramNames, &paramValues);
 
     // HTML5 says that an object resource's URL is specified by the object's data
     // attribute, not by a param element. However, for compatibility, allow the
     // resource's URL to be given by a param named "src", "movie", "code" or "url"
     // if we know that resource points to a plug-in.
     if (url.isEmpty() && !urlParameter.isEmpty()) {
-        KURL completedURL = document().completeURL(urlParameter);
+        KURL completedURL = treeScope().completeURL(urlParameter);
         bool useFallback;
         if (shouldUsePlugin(completedURL, serviceType, false, useFallback))
             url = urlParameter;
     }
 }
 
 
 bool HTMLObjectElement::hasFallbackContent() const
 {
     for (Node* child = firstChild(); child; child = child->nextSibling()) {
@@ skipping 238 matching lines @@
 {
     return fastHasAttribute(usemapAttr);
 }
 
 bool HTMLObjectElement::useFallbackContent() const
 {
     return HTMLPlugInElement::useFallbackContent() || m_useFallbackContent;
 }
 
 }