GitLab

Handle the case where scrollable shelf is disabled.

Bug: 1009609
Change-Id: I97c82661bd32b4355e3ed4664c6c2424f1dd2276
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1832683
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Commit-Queue: Manu Cornet <manucornet@chromium.org>
Auto-Submit: Alex Newcomer <newcomer@chromium.org>
Reviewed-by: Manu Cornet <manucornet@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701300}