void FormAssociatedElement::resetFormOwner()
{
    HTMLFormElement* originalForm = m_form;
    setForm(findAssociatedForm(toHTMLElement(this), m_form));
    HTMLElement* element = toHTMLElement(this);
    if (m_form && m_form != originalForm && m_form->inDocument())
        element->document().didAssociateFormControl(element);
}

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.