nsHTMLFormElement::Init()
nsresult nsFormControlList::Init()
nsHTMLFormElement::Init(){  mControls = new nsFormControlList(this);  if (!mControls) {    return NS_ERROR_OUT_OF_MEMORY;  }  nsresult rv = mControls->Init();    if (NS_FAILED(rv))  {    delete mControls;    mControls = nsnull;    return rv;  }    NS_ADDREF(mControls);  NS_ENSURE_TRUE(mSelectedRadioButtons.Init(4),                 NS_ERROR_OUT_OF_MEMORY);  return NS_OK;}