if (ShouldFocus(this)) { SetElementFocus(PR_TRUE); }  return NS_OK;
nsCOMPtr<nsIPresContext> presContext; nsGenericHTMLElement::GetPresContext(this, getter_AddRefs(presContext)); return SetFocus(presContext);
nsHTMLSelectElement::Focus(){  if (ShouldFocus(this)) {    SetElementFocus(PR_TRUE);  }  return NS_OK;}