Kerberos: Add properly translated error codes

Error codes were hard coded to English so far. This CL uses i18n
translated strings.

BUG=chromium:952238
TEST=Tested by manually changing error codes in Javascript.

Change-Id: I74c81293aafd51bd46c0e5e960ed6b0483808cf3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1608706
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Commit-Queue: Lutz Justen <ljusten@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662080}
3 files changed