Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/svg/SVGSwitchElement.h

Index: Source/core/svg/SVGSwitchElement.h
diff --git a/Source/core/svg/SVGSwitchElement.h b/Source/core/svg/SVGSwitchElement.h
index 99cf9560e1022a5184eb661b8806a97f10dda307..88d80e29c158cae0004ee56fb30db5726a6363fa 100644
--- a/Source/core/svg/SVGSwitchElement.h
+++ b/Source/core/svg/SVGSwitchElement.h
@@ -30,10 +30,10 @@ namespace WebCore {
 class SVGSwitchElement FINAL : public SVGGraphicsElement,
                                public SVGExternalResourcesRequired {
 public:
-    static PassRefPtr<SVGSwitchElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<SVGSwitchElement> create(const QualifiedName&, Document&);
 
 private:
-    SVGSwitchElement(const QualifiedName&, Document*);
+    SVGSwitchElement(const QualifiedName&, Document&);
 
     virtual bool isValid() const { return SVGTests::isValid(); }
     virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); }