Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGTSpanElement.cpp

Index: Source/core/svg/SVGTSpanElement.cpp
diff --git a/Source/core/svg/SVGTSpanElement.cpp b/Source/core/svg/SVGTSpanElement.cpp
index 44f349074d624a57305c15e615d314e5154ce1b8..8d44699bf647eb19c863658403d764e7618acee7 100644
--- a/Source/core/svg/SVGTSpanElement.cpp
+++ b/Source/core/svg/SVGTSpanElement.cpp
@@ -28,14 +28,14 @@
 
 namespace WebCore {
 
-inline SVGTSpanElement::SVGTSpanElement(const QualifiedName& tagName, Document* document)
+inline SVGTSpanElement::SVGTSpanElement(const QualifiedName& tagName, Document& document)
     : SVGTextPositioningElement(tagName, document)
 {
     ASSERT(hasTagName(SVGNames::tspanTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<SVGTSpanElement> SVGTSpanElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<SVGTSpanElement> SVGTSpanElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new SVGTSpanElement(tagName, document));
 }