GitLab

We will need it to implement InstallWebAppWithOptions.

Bug: 901226
Change-Id: I88797140789a06eb9915a22c81b50d0f1bc20471
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1616923
Commit-Queue: Alexey Baskakov <loyso@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#661248}