Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGMPathElement.cpp

Index: Source/core/svg/SVGMPathElement.cpp
diff --git a/Source/core/svg/SVGMPathElement.cpp b/Source/core/svg/SVGMPathElement.cpp
index 1215228eeb730bf2f9aa209f5e3c99078dd2811b..b766818f4755a0001bb4e8a3a8dc5228ac996992 100644
--- a/Source/core/svg/SVGMPathElement.cpp
+++ b/Source/core/svg/SVGMPathElement.cpp
@@ -39,7 +39,7 @@ BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGMPathElement)
     REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
 END_REGISTER_ANIMATED_PROPERTIES
 
-inline SVGMPathElement::SVGMPathElement(const QualifiedName& tagName, Document* document)
+inline SVGMPathElement::SVGMPathElement(const QualifiedName& tagName, Document& document)
     : SVGElement(tagName, document)
 {
     ASSERT(hasTagName(SVGNames::mpathTag));
@@ -47,7 +47,7 @@ inline SVGMPathElement::SVGMPathElement(const QualifiedName& tagName, Document*
     registerAnimatedPropertiesForSVGMPathElement();
 }
 
-PassRefPtr<SVGMPathElement> SVGMPathElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<SVGMPathElement> SVGMPathElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new SVGMPathElement(tagName, document));
 }