Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLAreaElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2008, 2009, 2011 Apple Inc. 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 16 matching lines @@
 #include "core/platform/graphics/LayoutRect.h"
 
 namespace WebCore {
 
 class HitTestResult;
 class HTMLImageElement;
 class Path;
 
 class HTMLAreaElement FINAL : public HTMLAnchorElement {
 public:
-    static PassRefPtr<HTMLAreaElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<HTMLAreaElement> create(const QualifiedName&, Document&);
 
     bool isDefault() const { return m_shape == Default; }
 
     bool mapMouseEvent(LayoutPoint location, const LayoutSize&, HitTestResult&);
 
     LayoutRect computeRect(RenderObject*) const;
     Path computePath(RenderObject*) const;
 
     // The parent map's image.
     HTMLImageElement* imageElement() const;
 
 private:
-    HTMLAreaElement(const QualifiedName&, Document*);
+    HTMLAreaElement(const QualifiedName&, Document&);
 
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual bool supportsFocus() const;
     virtual String target() const;
     virtual bool isKeyboardFocusable() const OVERRIDE;
     virtual bool isMouseFocusable() const;
     virtual bool rendererIsFocusable() const OVERRIDE;
     virtual void updateFocusAppearance(bool /*restorePreviousSelection*/);
     virtual void setFocus(bool) OVERRIDE;
 
@@ skipping 19 matching lines @@
 
 inline HTMLAreaElement* toHTMLAreaElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLAreaElement(node));
     return static_cast<HTMLAreaElement*>(node);
 }
 
 } //namespace
 
 #endif