Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGFilterElement.h

Index: Source/core/svg/SVGFilterElement.h
diff --git a/Source/core/svg/SVGFilterElement.h b/Source/core/svg/SVGFilterElement.h
index 9b75012cb063049610db0a94724f3029a3e20b1f..1ebef0484ad7230b0853ab0323554c4489b9fe19 100644
--- a/Source/core/svg/SVGFilterElement.h
+++ b/Source/core/svg/SVGFilterElement.h
@@ -39,12 +39,12 @@ class SVGFilterElement FINAL : public SVGElement,
                                public SVGURIReference,
                                public SVGExternalResourcesRequired {
 public:
-    static PassRefPtr<SVGFilterElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGFilterElement> create(const QualifiedName&, Document&);
 
     void setFilterRes(unsigned filterResX, unsigned filterResY);
 
 private:
-    SVGFilterElement(const QualifiedName&, Document*);
+    SVGFilterElement(const QualifiedName&, Document&);
 
     virtual bool needsPendingResourceHandling() const { return false; }