GitLab

Added KerberosCredentialsManagerFactory and promoted
KerberosCredentialsManager to KeyedService to provide a way
to control initialization order with other keyed services
that may depend on it.

Bug: 1027087
Change-Id: I157c5aba8e1efc604ee4978d382469650a62a1dd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1928790
Commit-Queue: Tomasz Dobrowolski <tomdobro@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Reviewed-by: Maksim Ivanov <emaxx@chromium.org>
Reviewed-by: Lutz Justen <ljusten@chromium.org>
Auto-Submit: Tomasz Dobrowolski <tomdobro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720202}