See
https://github.com/whatwg/dom/pull/1307/commits/8d24d3bff38c716da6aeeebadc5134f1c155ac5b.

R=nrosenthal@chromium.org

Bug: 40150299
Change-Id: I105d9e14c7ec29656ce2e9934cf593428ca23be5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6003744


Commit-Queue: Dominic Farolino <dom@chromium.org>
Reviewed-by: Noam Rosenthal <nrosenthal@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1380889}