The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cec86c95757689dd7bec903574bbcf4a347524aa

commit cec86c95757689dd7bec903574bbcf4a347524aa
Author: Abhijeet Kandalkar <abhijeet@igalia.com>
Date: Mon Jan 14 16:58:18 2019

Port profile_window.cc to IdentityManager from SigninManager

This CL switches profile_window away from using SigninManagerFactory
in favor of talking to IdentityManagerFactory.

Bug:  920217 
Change-Id: I7b1a01ff97f15f2adc8d8599373922d97b861e2f
Reviewed-on: https://chromium-review.googlesource.com/c/1407308
Reviewed-by: David Roger <droger@chromium.org>
Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Reviewed-by: Antonio Gomes <tonikitoo@igalia.com>
Commit-Queue: Abhijeet Kandalkar <abhijeet@igalia.com>
Cr-Commit-Position: refs/heads/master@{#622483}
[modify] https://crrev.com/cec86c95757689dd7bec903574bbcf4a347524aa/chrome/browser/profiles/profile_window.cc