CL https://chromium-review.googlesource.com/c/chromium/src/+/1348673

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c60f490f1ec7651d7412e8aab176c1d634b665c2

commit c60f490f1ec7651d7412e8aab176c1d634b665c2
Author: Antonio Gomes <tonikitoo@igalia.com>
Date: Wed Nov 28 00:44:20 2018

[s13n] Convert first_run.cc to use IdentityManager

BUG= 907487 

Change-Id: Ib1343dc9dc93a1b5ca9ecf72658e29de7bd97116
Reviewed-on: https://chromium-review.googlesource.com/c/1348673
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Commit-Queue: Antonio Gomes <tonikitoo@igalia.com>
Cr-Commit-Position: refs/heads/master@{#611467}
[modify] https://crrev.com/c60f490f1ec7651d7412e8aab176c1d634b665c2/chrome/browser/chromeos/first_run/first_run.cc