PRBool attr; aGrad->HasAttribute(attrStr, &attr); if (attr) {  return false;
if (mNextGradStr.Length() == 0) { return PR_FALSE;
nsSVGGradientFrame::checkURITarget(const nsAString& attrStr) {  nsCOMPtr<nsIDOMSVGGradientElement> aGrad = do_QueryInterface(mContent);  // Was the attribute explicitly set?  PRBool attr;  aGrad->HasAttribute(attrStr, &attr);  if (attr) {    // Yes, just return    return false;  }  return checkURITarget();}