Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGRectElement.h

Index: Source/core/svg/SVGRectElement.h
diff --git a/Source/core/svg/SVGRectElement.h b/Source/core/svg/SVGRectElement.h
index eaf2c1f2798f95f5ca4a2354452e3a3b2faa5058..2c631b81ac7145596f5b990fde15055413e8d302 100644
--- a/Source/core/svg/SVGRectElement.h
+++ b/Source/core/svg/SVGRectElement.h
@@ -32,10 +32,10 @@ namespace WebCore {
 class SVGRectElement FINAL : public SVGGraphicsElement,
                              public SVGExternalResourcesRequired {
 public:
-    static PassRefPtr<SVGRectElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGRectElement> create(const QualifiedName&, Document&);
 
 private:
-    SVGRectElement(const QualifiedName&, Document*);
+    SVGRectElement(const QualifiedName&, Document&);
 
     virtual bool isValid() const { return SVGTests::isValid(); }
     virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); }