Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/shadow/HTMLShadowElement.cpp

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 20 matching lines @@
 #include "config.h"
 #include "core/html/shadow/HTMLShadowElement.h"
 
 #include "HTMLNames.h"
 #include "core/dom/shadow/ShadowRoot.h"
 
 namespace WebCore {
 
 class Document;
 
-inline HTMLShadowElement::HTMLShadowElement(const QualifiedName& tagName, Document* document)
+inline HTMLShadowElement::HTMLShadowElement(const QualifiedName& tagName, Document& document)
     : InsertionPoint(tagName, document)
 {
     ASSERT(hasTagName(HTMLNames::shadowTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<HTMLShadowElement> HTMLShadowElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<HTMLShadowElement> HTMLShadowElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new HTMLShadowElement(tagName, document));
 }
 
 HTMLShadowElement::~HTMLShadowElement()
 {
 }
 
 ShadowRoot* HTMLShadowElement::olderShadowRoot()
 {
@@ skipping 19 matching lines @@
         if (root && root->olderShadowRoot() && root->type() != root->olderShadowRoot()->type()) {
             String message = String::format("<shadow> doesn't work for %s element host.", root->host()->tagName().utf8().data());
             document().addConsoleMessage(RenderingMessageSource, WarningMessageLevel, message);
         }
     }
     return InsertionPoint::insertedInto(insertionPoint);
 }
 
 } // namespace WebCore