Have DOMPatchSupport and DocumentFragment deal with Document references

Source/core/dom/DocumentFragment.h

Index: Source/core/dom/DocumentFragment.h
diff --git a/Source/core/dom/DocumentFragment.h b/Source/core/dom/DocumentFragment.h
index c6578ef86b7278de159d2fbf81821af8eba79227..5c3c2bdb7785e411be70bc1dc43693d34bc6b7b9 100644
--- a/Source/core/dom/DocumentFragment.h
+++ b/Source/core/dom/DocumentFragment.h
@@ -33,12 +33,7 @@ class ScriptExecutionContext;
 
 class DocumentFragment : public ContainerNode {
 public:
-    static PassRefPtr<DocumentFragment> create(Document& document)
-    {
-        return create(&document);
-    }
-
-    static PassRefPtr<DocumentFragment> create(Document*);
+    static PassRefPtr<DocumentFragment> create(Document&);
 
     void parseHTML(const String&, Element* contextElement, ParserContentPolicy = AllowScriptingContent);
     bool parseXML(const String&, Element* contextElement, ParserContentPolicy = AllowScriptingContent);