NS_IMETHODIMP nsWebShell::GetChildCount(PRInt32 *aChildCount)
nsWebShell::GetChildCount(PRInt32& aResult)
NS_IMETHODIMP nsWebShell::GetChildCount(PRInt32 *aChildCount){  NS_ENSURE_ARG_POINTER(aChildCount);  *aChildCount = mChildren.Count();  return NS_OK;}