Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGElement.cpp

Index: Source/core/svg/SVGElement.cpp
diff --git a/Source/core/svg/SVGElement.cpp b/Source/core/svg/SVGElement.cpp
index 1607ae4a8122a875afc89ce539f9eb3b4a32b5de..3ccf3f71606853c84ad1e93897fe0ffe961ef996 100644
--- a/Source/core/svg/SVGElement.cpp
+++ b/Source/core/svg/SVGElement.cpp
@@ -70,19 +70,14 @@ void mapAttributeToCSSProperty(HashMap<StringImpl*, CSSPropertyID>* propertyName
     propertyNameToIdMap->set(attrName.localName().impl(), propertyId);
 }
 
-SVGElement::SVGElement(const QualifiedName& tagName, Document* document, ConstructionType constructionType)
-    : Element(tagName, document, constructionType)
+SVGElement::SVGElement(const QualifiedName& tagName, Document& document, ConstructionType constructionType)
+    : Element(tagName, &document, constructionType)
 {
     ScriptWrappable::init(this);
     registerAnimatedPropertiesForSVGElement();
     setHasCustomStyleCallbacks();
 }
 
-PassRefPtr<SVGElement> SVGElement::create(const QualifiedName& tagName, Document* document)
-{
-    return adoptRef(new SVGElement(tagName, document));
-}
-
 SVGElement::~SVGElement()
 {
     if (!hasSVGRareData())