[ios] disabling password generation when save is off

Also adding tests.

Bug: 951766
Change-Id: Ie08b2c795377b39ca54dc8c05f8bda4fc5865930
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1565313
Commit-Queue: David Jean <djean@chromium.org>
Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Cr-Commit-Position: refs/heads/master@{#650783}
2 files changed