GitLab

Move Kerberos settings functionalities from PeopleSection into
KerberosAccountsHandler. This includes updating search tags, adding
load time strings and registering section hierarchy.

These methods will be called from PeopleSection
if KerberosSettingsSection flag is disabled. Otherwise, these methods
will be called from the new KerberosSection (to be created).

Bug: 983041
Change-Id: Ida54d5fb9979e9c784def21146e1e474175490dd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2465917
Commit-Queue: Felipe Andrade <fsandrade@chromium.org>
Reviewed-by: Maksim Ivanov <emaxx@chromium.org>
Reviewed-by: Kush Sinha <sinhak@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#826257}