GitLab

      Run about_ui_unittest.
      Manually perform offline demo mode setup.

Bug: 857275
Test: Run wizard controller and demo setup browser tests.
Change-Id: Ife8f6daa3d8fb87f2adf31350845efa67463b939
Reviewed-on: https://chromium-review.googlesource.com/1244476
Commit-Queue: Aga Wronska <agawronska@chromium.org>
Reviewed-by: Michael Giuffrida <michaelpg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594545}