[ios] use view controller base class for manual fill passwords

Bug: 845472
Change-Id: I012839e8ee5dee6ae54d66327f1de5f38ff96d71
Reviewed-on: https://chromium-review.googlesource.com/c/1335599
Commit-Queue: David Jean <djean@chromium.org>
Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608376}
2 files changed