Have DOMPatchSupport and DocumentFragment deal with Document references

Source/core/dom/Range.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Gunnstein Lye (gunnstein@netcom.no)
  * (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 652 matching lines @@
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 PassRefPtr<DocumentFragment> Range::processContents(ActionType action, ExceptionState& es)
 {
     typedef Vector<RefPtr<Node> > NodeVector;
 
     RefPtr<DocumentFragment> fragment;
     if (action == EXTRACT_CONTENTS || action == CLONE_CONTENTS)
-        fragment = DocumentFragment::create(m_ownerDocument.get());
+        fragment = DocumentFragment::create(*m_ownerDocument.get());
 
     if (collapsed(es))
         return fragment.release();
     if (es.hadException())
         return 0;
 
     RefPtr<Node> commonRoot = commonAncestorContainer(es);
     if (es.hadException())
         return 0;
     ASSERT(commonRoot);
@@ skipping 1215 matching lines @@
 
 void showTree(const WebCore::Range* range)
 {
     if (range && range->boundaryPointsValid()) {
         range->startContainer()->showTreeAndMark(range->startContainer(), "S", range->endContainer(), "E");
         fprintf(stderr, "start offset: %d, end offset: %d\n", range->startOffset(), range->endOffset());
     }
 }
 
 #endif