GitLab

Added tests for standard flows for saving a new credential or
updating a password for an already existing credential on a
successful password form submission.

Change-Id: I448fc801984e9462f212c3ae9a643325343fbd59
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2627279
Commit-Queue: Maria Kazinova <kazinova@google.com>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844601}