NS_NewHTMLScrollFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame, PRBool aIsRoot)
NS_NewHTMLScrollFrame(nsIPresShell* aPresShell, PRBool aIsRoot)
NS_NewHTMLScrollFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame, PRBool aIsRoot){  NS_PRECONDITION(aNewFrame, "null OUT ptr");  if (nsnull == aNewFrame) {    return NS_ERROR_NULL_POINTER;  }  nsHTMLScrollFrame* it = new (aPresShell) nsHTMLScrollFrame(aPresShell, aIsRoot);  if (nsnull == it) {    return NS_ERROR_OUT_OF_MEMORY;  }  *aNewFrame = it;  return NS_OK;}