Have DOMPatchSupport and DocumentFragment deal with Document references

Source/core/editing/markup.h

 /*
  * Copyright (C) 2004 Apple Computer, Inc.  All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 30 matching lines @@
 class HTMLElement;
 class KURL;
 class Node;
 class QualifiedName;
 class Range;
 
 enum EChildrenOnly { IncludeNode, ChildrenOnly };
 enum EAbsoluteURLs { DoNotResolveURLs, ResolveAllURLs, ResolveNonLocalURLs };
 
 PassRefPtr<DocumentFragment> createFragmentFromText(Range* context, const String& text);
-PassRefPtr<DocumentFragment> createFragmentFromMarkup(Document*, const String& markup, const String& baseURL, ParserContentPolicy = AllowScriptingContent);
-PassRefPtr<DocumentFragment> createFragmentFromMarkupWithContext(Document*, const String& markup, unsigned fragmentStart, unsigned fragmentEnd, const String& baseURL, ParserContentPolicy);
+PassRefPtr<DocumentFragment> createFragmentFromMarkup(Document&, const String& markup, const String& baseURL, ParserContentPolicy = AllowScriptingContent);
+PassRefPtr<DocumentFragment> createFragmentFromMarkupWithContext(Document&, const String& markup, unsigned fragmentStart, unsigned fragmentEnd, const String& baseURL, ParserContentPolicy);
 PassRefPtr<DocumentFragment> createFragmentFromNodes(Document*, const Vector<Node*>&);
 PassRefPtr<DocumentFragment> createFragmentForInnerOuterHTML(const String&, Element*, ParserContentPolicy, ExceptionState&);
 PassRefPtr<DocumentFragment> createFragmentForTransformToFragment(const String&, const String& sourceMIMEType, Document& outputDoc);
 PassRefPtr<DocumentFragment> createContextualFragment(const String&, HTMLElement*, ParserContentPolicy, ExceptionState&);
 
 bool isPlainTextMarkup(Node*);
 
 // These methods are used by HTMLElement & ShadowRoot to replace the
 // children with respected fragment/text.
 void replaceChildrenWithFragment(ContainerNode*, PassRefPtr<DocumentFragment>, ExceptionState&);
 void replaceChildrenWithText(ContainerNode*, const String&, ExceptionState&);
 
 String createMarkup(const Range*, Vector<Node*>* = 0, EAnnotateForInterchange = DoNotAnnotateForInterchange, bool convertBlocksToInlines = false, EAbsoluteURLs = DoNotResolveURLs, Node* constrainingAncestor = 0);
 String createMarkup(const Node*, EChildrenOnly = IncludeNode, Vector<Node*>* = 0, EAbsoluteURLs = DoNotResolveURLs, Vector<QualifiedName>* tagNamesToSkip = 0);
 
 String createFullMarkup(const Node*);
 String createFullMarkup(const Range*);
 
 String urlToMarkup(const KURL&, const String& title);
 
 }
 
 #endif // markup_h