Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGVKernElement.cpp

Index: Source/core/svg/SVGVKernElement.cpp
diff --git a/Source/core/svg/SVGVKernElement.cpp b/Source/core/svg/SVGVKernElement.cpp
index d78c777901ca9d19c5d2fbeb8b4ed95487e80b29..0908be7bf8fa4dc9973d9c8b107cbcdb1f0d356c 100644
--- a/Source/core/svg/SVGVKernElement.cpp
+++ b/Source/core/svg/SVGVKernElement.cpp
@@ -28,14 +28,14 @@
 
 namespace WebCore {
 
-inline SVGVKernElement::SVGVKernElement(const QualifiedName& tagName, Document* document)
+inline SVGVKernElement::SVGVKernElement(const QualifiedName& tagName, Document& document)
     : SVGElement(tagName, document)
 {
     ASSERT(hasTagName(SVGNames::vkernTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<SVGVKernElement> SVGVKernElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<SVGVKernElement> SVGVKernElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new SVGVKernElement(tagName, document));
 }