GitLab

instead of using mask layer

Bug: 1107106
Change-Id: Ie10dc48e4ca130ccfa6736f6aa45dd49639cfb25
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2306209Reviewed-by: Sammie Quon <sammiequon@chromium.org>
Commit-Queue: Mitsuru Oshima <oshima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#790060}