NS_NewComboboxControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
NS_NewComboboxControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame, PRUint32 aFlags)
NS_NewComboboxControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame){  NS_PRECONDITION(aNewFrame, "null OUT ptr");  if (nsnull == aNewFrame) {    return NS_ERROR_NULL_POINTER;  }  nsComboboxControlFrame* it = new (aPresShell) nsComboboxControlFrame;  if (!it) {    return NS_ERROR_OUT_OF_MEMORY;  }  *aNewFrame = it;  return NS_OK;}