GitLab

When a <label> changes, Blink uses PostNotification() for the name change
on the element pointed to, but DeferTreeUpdate() for the contents of
the label element itself. Therefore, the updates can occur at slightly
different times.

Bug: 1000965
Change-Id: I9d20da6f205c21aeb93e3237009fa905233ad1d6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1803595
Auto-Submit: Aaron Leventhal <aleventhal@chromium.org>
Reviewed-by: Nektarios Paisios <nektar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697232}