tree 7b61c5d65c1265f2dc07ab2388c526eb23ce1454
parent eca3a50a442ab21283638efbf1617492924f5fdd
author Ionel Popescu <iopopesc@microsoft.com> 1636684314 -0800
committer Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> 1636685328 -0800

[SelectMenu] Add support for required attribute.

This CL adds support for required attribute and enables :required and
:optional pseudo.

Bug: 1121840
Change-Id: I18309a3c8913dca3308f3222e678f7447a30afd1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3277114
Reviewed-by: Mason Freed <masonf@chromium.org>
Commit-Queue: Ionel Popescu <iopopesc@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#941036}