base::scoped_nsobject<AlternateNavInfoBarController> controller(
[[AlternateNavInfoBarController alloc] initWithInfoBar:infobar.get()]);
infobar->set_controller(controller);
base::scoped_nsobject<AlternateNavInfoBarController> controller(
[[AlternateNavInfoBarController alloc] initWithInfoBar:infobar.get()]);
infobar->set_controller(controller);