Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGEllipseElement.h

Index: Source/core/svg/SVGEllipseElement.h
diff --git a/Source/core/svg/SVGEllipseElement.h b/Source/core/svg/SVGEllipseElement.h
index 8d98e1074f792701c9c6cd8c3c1ba21750b81f37..dcfc5ecb76df5b2e231fe32048ec70858766426c 100644
--- a/Source/core/svg/SVGEllipseElement.h
+++ b/Source/core/svg/SVGEllipseElement.h
@@ -32,10 +32,10 @@ namespace WebCore {
 class SVGEllipseElement FINAL : public SVGGraphicsElement,
                                 public SVGExternalResourcesRequired {
 public:
-    static PassRefPtr<SVGEllipseElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGEllipseElement> create(const QualifiedName&, Document&);
 
 private:
-    SVGEllipseElement(const QualifiedName&, Document*);
+    SVGEllipseElement(const QualifiedName&, Document&);
 
     virtual bool isValid() const { return SVGTests::isValid(); }
     virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); }