Have HTMLElements / SVGElements constructors take a Document reference in argument

Source/core/html/HTMLIFrameElement.h

Index: Source/core/html/HTMLIFrameElement.h
diff --git a/Source/core/html/HTMLIFrameElement.h b/Source/core/html/HTMLIFrameElement.h
index 9aa74ae2ff15a60c695cec14372964e902cec1bc..d225eed852eeab56c2b12be41c52bfe5c964c4e7 100644
--- a/Source/core/html/HTMLIFrameElement.h
+++ b/Source/core/html/HTMLIFrameElement.h
@@ -30,12 +30,12 @@ namespace WebCore {
 
 class HTMLIFrameElement FINAL : public HTMLFrameElementBase {
 public:
-    static PassRefPtr<HTMLIFrameElement> create(const QualifiedName&, Document*);
+    static PassRefPtr<HTMLIFrameElement> create(const QualifiedName&, Document&);
 
     bool shouldDisplaySeamlessly() const;
 
 private:
-    HTMLIFrameElement(const QualifiedName&, Document*);
+    HTMLIFrameElement(const QualifiedName&, Document&);
 
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;