Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGFEMergeElement.cpp

Index: Source/core/svg/SVGFEMergeElement.cpp
diff --git a/Source/core/svg/SVGFEMergeElement.cpp b/Source/core/svg/SVGFEMergeElement.cpp
index f632e3f1dce86f9a11cb135592979011b2129c33..caeb9ff756a3a6d7be1e90f4577812cf29c08f91 100644
--- a/Source/core/svg/SVGFEMergeElement.cpp
+++ b/Source/core/svg/SVGFEMergeElement.cpp
@@ -29,14 +29,14 @@
 
 namespace WebCore {
 
-inline SVGFEMergeElement::SVGFEMergeElement(const QualifiedName& tagName, Document* document)
+inline SVGFEMergeElement::SVGFEMergeElement(const QualifiedName& tagName, Document& document)
     : SVGFilterPrimitiveStandardAttributes(tagName, document)
 {
     ASSERT(hasTagName(SVGNames::feMergeTag));
     ScriptWrappable::init(this);
 }
 
-PassRefPtr<SVGFEMergeElement> SVGFEMergeElement::create(const QualifiedName& tagName, Document* document)
+PassRefPtr<SVGFEMergeElement> SVGFEMergeElement::create(const QualifiedName& tagName, Document& document)
 {
     return adoptRef(new SVGFEMergeElement(tagName, document));
 }