GitLab

Improve user experience by showing the "Start" page first, and the
"Password" page after, making for a less jarring experience.

Bug: 881610
Change-Id: I0a54c0d6c8b5ffc11e6bfdd2aba80adf6bab374d
Reviewed-on: https://chromium-review.googlesource.com/1214169Reviewed-by: Jeremy Klein <jlklein@chromium.org>
Commit-Queue: Ryan Hansberry <hansberry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589701}