Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLSpanElement.cpp

Index: Source/core/html/HTMLSpanElement.cpp
diff --git a/Source/core/html/HTMLSpanElement.cpp b/Source/core/html/HTMLSpanElement.cpp
index 560ffb475940385ab8319f8da2e3864d41ef593a..e648e3e02b5336041e1b22b36220c22d5b59373a 100644
--- a/Source/core/html/HTMLSpanElement.cpp
+++ b/Source/core/html/HTMLSpanElement.cpp
@@ -32,14 +32,14 @@ namespace WebCore {
 
 using namespace HTMLNames;
 
-HTMLSpanElement::HTMLSpanElement(const QualifiedName& tagName, Document* document)
+HTMLSpanElement::HTMLSpanElement(const QualifiedName& tagName, Document& document)
     : HTMLElement(tagName, document)
 {
     ASSERT(hasTagName(spanTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<HTMLSpanElement> HTMLSpanElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<HTMLSpanElement> HTMLSpanElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new HTMLSpanElement(tagName, document));
 }