GitLab

- Checks the current thread preferred UI language and pass it onto
Chrome so that it presents itself with a language that matches the
logon screen.

Bug: 908451
Change-Id: I8f40a1501baabfe592cde6eea2c74bd19d47e9df
Reviewed-on: https://chromium-review.googlesource.com/c/1351249Reviewed-by: Roger Tawa <rogerta@chromium.org>
Commit-Queue: Tien Mai <tienmai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#610860}