The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/0dcf7a79890ab7201fcf34aa2f18d102f7f56523

commit 0dcf7a79890ab7201fcf34aa2f18d102f7f56523
Author: Henrique Ferreiro <hferreiro@igalia.com>
Date: Mon Jan 14 14:58:14 2019

Migrate signin_ui_util.cc to IdentityManager

Replace SigninManager with IdentityManager

Bug:  920227 
Change-Id: I10062fbbbc5ca69a937436632954c5d64216b6eb
Reviewed-on: https://chromium-review.googlesource.com/c/1406968
Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: Henrique Ferreiro <hferreiro@igalia.com>
Cr-Commit-Position: refs/heads/master@{#622453}
[modify] https://crrev.com/0dcf7a79890ab7201fcf34aa2f18d102f7f56523/chrome/browser/signin/signin_ui_util.cc