It mostly already worked. HTMLForm::trySubmit() needed a little adjustment to handle things properly. Change-Id: Ibb17bb61ac0b2d41953249980bc2f23b8a3ae5b6
Change-Id: Id8c0f0676b3200993af3cec493efc99839211bcc
Change-Id: Ib50238e3be5eec63eb5df97154b60dc4ca33d581