Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGRadialGradientElement.cpp

Index: Source/core/svg/SVGRadialGradientElement.cpp
diff --git a/Source/core/svg/SVGRadialGradientElement.cpp b/Source/core/svg/SVGRadialGradientElement.cpp
index 4929cc24265d5887b5540c0c0458eae61a9065d3..cb286b150fe1c221e7263e934e5ea492498a4993 100644
--- a/Source/core/svg/SVGRadialGradientElement.cpp
+++ b/Source/core/svg/SVGRadialGradientElement.cpp
@@ -51,7 +51,7 @@ BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGRadialGradientElement)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGradientElement)
 END_REGISTER_ANIMATED_PROPERTIES
 
-inline SVGRadialGradientElement::SVGRadialGradientElement(const QualifiedName& tagName, Document* document)
+inline SVGRadialGradientElement::SVGRadialGradientElement(const QualifiedName& tagName, Document& document)
     : SVGGradientElement(tagName, document)
     , m_cx(LengthModeWidth, "50%")
     , m_cy(LengthModeHeight, "50%")
@@ -66,7 +66,7 @@ inline SVGRadialGradientElement::SVGRadialGradientElement(const QualifiedName& t
     registerAnimatedPropertiesForSVGRadialGradientElement();
 }
 
-PassRefPtr<SVGRadialGradientElement> SVGRadialGradientElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<SVGRadialGradientElement> SVGRadialGradientElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new SVGRadialGradientElement(tagName, document));
 }