Have DOMPatchSupport and DocumentFragment deal with Document references

Source/core/inspector/InspectorDOMAgent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 768 matching lines @@
     Node* node = assertNode(errorString, nodeId);
     if (!node)
         return;
 
     *outerHTML = createMarkup(node);
 }
 
 void InspectorDOMAgent::setOuterHTML(ErrorString* errorString, int nodeId, const String& outerHTML)
 {
     if (!nodeId) {
-        DOMPatchSupport domPatchSupport(m_domEditor.get(), m_document.get());
+        ASSERT(m_document);
+        DOMPatchSupport domPatchSupport(m_domEditor.get(), *m_document.get());
         domPatchSupport.patchDocument(outerHTML);
         return;
     }
 
     Node* node = assertEditableNode(errorString, nodeId);
     if (!node)
         return;
 
     Document* document = node->isDocumentNode() ? toDocument(node) : node->ownerDocument();
     if (!document || (!document->isHTMLDocument() && !document->isXHTMLDocument() && !document->isSVGDocument())) {
@@ skipping 1100 matching lines @@
 
     InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(mainWorldScriptState(frame));
     if (injectedScript.hasNoValue())
         return 0;
 
     return injectedScript.wrapNode(node, objectGroup);
 }
 
 } // namespace WebCore