return;
nsXBLBinding::GetNestedChild(nsIAtom* aTag, nsIContent* aContent, nsIContent** aResult) {  *aResult = nsnull;  PRInt32 childCount;  aContent->ChildCount(childCount);  for (PRInt32 i = 0; i < childCount; i++) {    nsCOMPtr<nsIContent> child;    aContent->ChildAt(i, *getter_AddRefs(child));    nsCOMPtr<nsIAtom> tag;    child->GetTag(*getter_AddRefs(tag));    if (aTag == tag.get()) {      *aResult = aContent; // We return the parent of the correct child.      NS_ADDREF(*aResult);      return;    }    else {      GetNestedChild(aTag, child, aResult);      if (*aResult)        return;    }  }  return;}