Since we use `appearance: auto;` for these elements, this code can be folded in RenderTheme::autoAppearanceForElement()
Pull request: https://github.com/WebKit/WebKit/pull/916
Committed r294640 (250864@main): <https://commits.webkit.org/250864@main> Reviewed commits have been landed. Closing PR #916 and removing active labels.
<rdar://problem/93758986>