GitLab

Add Highlight Path for Collapse Button Focus

Bug: 922423
Test: Manual Test on PixelBook
Change-Id: If37e818714ccbd5248e2257e346378b3d848bbc7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1542562
Commit-Queue: Ahmed Mehfooz <amehfooz@chromium.org>
Reviewed-by: Tim Song <tengs@chromium.org>
Reviewed-by: Tetsui Ohkubo <tetsui@chromium.org>
Cr-Commit-Position: refs/heads/master@{#649802}