Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLLabelElement.cpp

Index: Source/core/html/HTMLLabelElement.cpp
diff --git a/Source/core/html/HTMLLabelElement.cpp b/Source/core/html/HTMLLabelElement.cpp
index 91358c594bbbe8bddb4183c1dcbfc2d71994c97a..f1b9e38d834939b0789a113d9bb12467a9bee4eb 100644
--- a/Source/core/html/HTMLLabelElement.cpp
+++ b/Source/core/html/HTMLLabelElement.cpp
@@ -44,14 +44,14 @@ static bool supportsLabels(Element* element)
     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));
 }