[AF] New source of data validation in profiles.

Part of the profile validation pipeline:
Previously, we were only doing profile data validation
on client side. Now we have two sources of validation:
client and server. We need both. (The functions of the
autofill profile are renamed accordingly.)

Change-Id: Id930c667cacb512858fda4dd78268174d754159a
Reviewed-on: https://chromium-review.googlesource.com/1205098
Commit-Queue: Parastoo Geranmayeh <parastoog@google.com>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Roger McFarlane <rogerm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#591506}
17 files changed