GitLab

Doing this prevents easy "scrubbing" through the bookmark bar menus, since the
newly-appearing menu draws over the top of the adjacent bookmark buttons.

Bug: 902344
Change-Id: Ief783f4b417810416821b717f92f796b4e6b07e6
Reviewed-on: https://chromium-review.googlesource.com/c/1335870
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608049}