Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGFEGaussianBlurElement.cpp

Index: Source/core/svg/SVGFEGaussianBlurElement.cpp
diff --git a/Source/core/svg/SVGFEGaussianBlurElement.cpp b/Source/core/svg/SVGFEGaussianBlurElement.cpp
index 0028fda8f7c538597d2d96a3d825c2d154a3d32c..3611e960183a7fe5042cf6f0447a62538477d447 100644
--- a/Source/core/svg/SVGFEGaussianBlurElement.cpp
+++ b/Source/core/svg/SVGFEGaussianBlurElement.cpp
@@ -42,7 +42,7 @@ BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGFEGaussianBlurElement)
     REGISTER_PARENT_ANIMATED_PROPERTIES(SVGFilterPrimitiveStandardAttributes)
 END_REGISTER_ANIMATED_PROPERTIES
 
-inline SVGFEGaussianBlurElement::SVGFEGaussianBlurElement(const QualifiedName& tagName, Document* document)
+inline SVGFEGaussianBlurElement::SVGFEGaussianBlurElement(const QualifiedName& tagName, Document& document)
     : SVGFilterPrimitiveStandardAttributes(tagName, document)
 {
     ASSERT(hasTagName(SVGNames::feGaussianBlurTag));
@@ -50,7 +50,7 @@ inline SVGFEGaussianBlurElement::SVGFEGaussianBlurElement(const QualifiedName& t
     registerAnimatedPropertiesForSVGFEGaussianBlurElement();
 }
 
-PassRefPtr<SVGFEGaussianBlurElement> SVGFEGaussianBlurElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<SVGFEGaussianBlurElement> SVGFEGaussianBlurElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new SVGFEGaussianBlurElement(tagName, document));
 }