Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLLabelElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * 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 26 matching lines @@
 
 static bool supportsLabels(Element* element)
 {
     if (!element || !element->isHTMLElement())
         return false;
     if (!toHTMLElement(element)->isLabelable())
         return false;
     return toLabelableElement(element)->supportLabels();
 }
 
-inline HTMLLabelElement::HTMLLabelElement(const QualifiedName& tagName, Document* document)
+inline HTMLLabelElement::HTMLLabelElement(const QualifiedName& tagName, Document& document)
     : HTMLElement(tagName, document)
 {
     ASSERT(hasTagName(labelTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<HTMLLabelElement> HTMLLabelElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<HTMLLabelElement> HTMLLabelElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new HTMLLabelElement(tagName, document));
 }
 
 bool HTMLLabelElement::rendererIsFocusable() const
 {
     HTMLLabelElement* that = const_cast<HTMLLabelElement*>(this);
     return that->isContentEditable();
 }
 
@@ skipping 100 matching lines @@
 
 void HTMLLabelElement::accessKeyAction(bool sendMouseEvents)
 {
     if (HTMLElement* element = control())
         element->accessKeyAction(sendMouseEvents);
     else
         HTMLElement::accessKeyAction(sendMouseEvents);
 }
 
 } // namespace