GitLab

This is to protect against avatar with white background.

Screenshot: https://screenshot.googleplex.com/BwjbErJCcuxSCw9

Bug: 1100814
Change-Id: I555f05277e540da623402550a5d8b01323838fdb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2465909
Commit-Queue: Mohamed Amir Yosef <mamir@chromium.org>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#816540}