Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGFEMorphologyElement.h

Index: Source/core/svg/SVGFEMorphologyElement.h
diff --git a/Source/core/svg/SVGFEMorphologyElement.h b/Source/core/svg/SVGFEMorphologyElement.h
index 0c7ab3d5344d0060058d0fcdc5785b0b7691f3c4..38dede0489d0f6dd5d60662a6b9ab034d6a7444f 100644
--- a/Source/core/svg/SVGFEMorphologyElement.h
+++ b/Source/core/svg/SVGFEMorphologyElement.h
@@ -58,12 +58,12 @@ struct SVGPropertyTraits<MorphologyOperatorType> {
 
 class SVGFEMorphologyElement FINAL : public SVGFilterPrimitiveStandardAttributes {
 public:
-    static PassRefPtr<SVGFEMorphologyElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGFEMorphologyElement> create(const QualifiedName&, Document&);
 
     void setRadius(float radiusX, float radiusY);
 
 private:
-    SVGFEMorphologyElement(const QualifiedName&, Document*);
+    SVGFEMorphologyElement(const QualifiedName&, Document&);
 
     bool isSupportedAttribute(const QualifiedName&);
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;