Issue 853803  has been merged into this issue.

See duped bug for additional relevant information about kerberos

"When mounting with Kerberos, hostnames must stay unresolved and be resolved by the domain controller/DNS so that ticket operations can be handled correctly. Tickets correlate to a hostname rather than an ip address."

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/db31e88ae00aeeb436f30ae6f4e354a6c3380876

commit db31e88ae00aeeb436f30ae6f4e354a6c3380876
Author: Bailey Berro <baileyberro@chromium.org>
Date: Thu Oct 11 05:02:46 2018

Pass use_kerberos to SmbService::Mount

- Passes use_kerberos to SmbService::Mount so that it can be used to
determine if kerberos authentication should be performed with a users
login credential (for chromad users).

Bug:  chromium:887113 
Change-Id: I4326f37df0522b80dccce9535f9e71e823114cd0
Reviewed-on: https://chromium-review.googlesource.com/c/1260213
Reviewed-by: Scott Chen <scottchen@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Commit-Queue: Bailey Berro <baileyberro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#598675}
[modify] https://crrev.com/db31e88ae00aeeb436f30ae6f4e354a6c3380876/chrome/browser/chromeos/smb_client/smb_service.cc
[modify] https://crrev.com/db31e88ae00aeeb436f30ae6f4e354a6c3380876/chrome/browser/chromeos/smb_client/smb_service.h
[modify] https://crrev.com/db31e88ae00aeeb436f30ae6f4e354a6c3380876/chrome/browser/ui/webui/settings/chromeos/smb_handler.cc