GitLab

Add a 'Don't remind me again' checkbox to the welcome page.

Screenshot: http://screen/7mZimAEabQv5agq.png

Bug: 1144114
Change-Id: Ib0f5cb1b429d84da982fd239c0afb0ff933d010d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2549764Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Kush Sinha <sinhak@chromium.org>
Commit-Queue: Anastasiia N <anastasiian@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834621}