Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLLegendElement.cpp

Index: Source/core/html/HTMLLegendElement.cpp
diff --git a/Source/core/html/HTMLLegendElement.cpp b/Source/core/html/HTMLLegendElement.cpp
index e42467ab59117c8ccd216de62b4546f27165acf8..515932622ead34d0dcf065c1f2abef1ba0e1fe73 100644
--- a/Source/core/html/HTMLLegendElement.cpp
+++ b/Source/core/html/HTMLLegendElement.cpp
@@ -35,14 +35,14 @@ namespace WebCore {
 using namespace HTMLNames;
 
 
-inline HTMLLegendElement::HTMLLegendElement(const QualifiedName& tagName, Document* document)
+inline HTMLLegendElement::HTMLLegendElement(const QualifiedName& tagName, Document& document)
     : HTMLElement(tagName, document)
 {
     ASSERT(hasTagName(legendTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<HTMLLegendElement> HTMLLegendElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<HTMLLegendElement> HTMLLegendElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new HTMLLegendElement(tagName, document));
 }