[ios] Fixes update badge state Bug when saving Password in Modal.

In order to fix it we now call infobarWasAccepted on the badgeDelegate
whenever the credentials were updated/saved.

Bug: 945478
Change-Id: I1f721ee8c5a8dff5644f7008fa25cf4edce12e88
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1580099
Commit-Queue: Sergio Collazos <sczs@chromium.org>
Reviewed-by: Chris Lu <thegreenfrog@chromium.org>
Cr-Commit-Position: refs/heads/master@{#653873}
1 file changed