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 3921255aaf6fade1caf81d320d6244452b76b727..f02c4a01df47d8240fcd82fc7ca5443376a758a0 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));
 }