Add ::select-arrow pseudo element parsing support
Defined in:
w3c/csswg-drafts#10986
Bug: 369319576
Change-Id: I4161a9a0111ff2247ab6d9009c5bdec96ac1c855
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5967877
Commit-Queue: Traian Captan tcaptan@chromium.org
Reviewed-by: Joey Arhar jarhar@chromium.org
Reviewed-by: Kevin Babbitt kbabbitt@microsoft.com
Cr-Commit-Position: refs/heads/main@{#1375343}