Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLLabelElement.h

Index: Source/core/html/HTMLLabelElement.h
diff --git a/Source/core/html/HTMLLabelElement.h b/Source/core/html/HTMLLabelElement.h
index 4c11115218a98206c8ba0f6308560295af9854ad..1b0007a17b39076a6647e564895288c35f88b0f0 100644
--- a/Source/core/html/HTMLLabelElement.h
+++ b/Source/core/html/HTMLLabelElement.h
@@ -31,7 +31,7 @@ namespace WebCore {
 
 class HTMLLabelElement FINAL : public HTMLElement {
 public:
-    static PassRefPtr<HTMLLabelElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<HTMLLabelElement> create(const QualifiedName&, Document&);
 
     LabelableElement* control();
     HTMLFormElement* form() const;
@@ -39,7 +39,7 @@ public:
     virtual bool willRespondToMouseClickEvents() OVERRIDE;
 
 private:
-    HTMLLabelElement(const QualifiedName&, Document*);
+    HTMLLabelElement(const QualifiedName&, Document&);
 
     virtual bool rendererIsFocusable() const OVERRIDE;