GitLab

When scrollIntoView was called on an element in locked subtree,
we will send the beforeactivate event and commit the locked ancestors.

Bug: 882663
Change-Id: I503bb6dc6c0cce9e5df53f52b432060a04680dfa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1528131
Commit-Queue: Rakina Zata Amni <rakina@chromium.org>
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Reviewed-by: vmpstr <vmpstr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#642367}