GitLab

Add rather than replace icons since the shelf UI is still protected
by a flag and we want to keep supporting both cases for a few more
weeks.

Bug: 880598
Change-Id: If11bbad338b4113f3e9724a729451e159c4b5964
Reviewed-on: https://chromium-review.googlesource.com/1214695
Commit-Queue: Manu Cornet <manucornet@chromium.org>
Reviewed-by: Yoshiki Iguchi <yoshiki@chromium.org>
Reviewed-by: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589995}