This was added to the spec here: https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#non-autofill-credential-type This PR starts processing it to pipe to the _autofillContext.
<rdar://problem/103872859>
Pull request: https://github.com/WebKit/WebKit/pull/8189
Committed 258582@main (aa8945d7e8f0): <https://commits.webkit.org/258582@main> Reviewed commits have been landed. Closing PR #8189 and removing active labels.