[ios] Fix ChromePasswordProtectionServiceFactory

The factory ChromePasswordProtectionServiceFactory was declared to take
a web::BrowserState* which is incorrect, all KeyedServiceFactory in
//ios/chrome/browser must take a ProfileIOS (or ChromeBrowserState
historically).

Fix ChromePasswordProtectionServiceFactory to take the parameter as the
correct type and fix client code.

Bug: none
Change-Id: I4f18e1e9c7d6c19a75f02d968f62cdb8e55dcd36
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5865736
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Reviewed-by: Aliona Dangla <alionadangla@chromium.org>
Auto-Submit: Sylvain Defresne <sdefresne@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1356390}