[Passwords] Refactor cross-domain filling confirmation view

Here is a list of changes:

1) Pass controller of `PasswordCrossDomainConfirmationPopupViewViews`
in the constructor and get the text from the controller using getter
functions.
2) Create `PasswordCrossDomainConfirmationPopupControllerInterface`
as an interface class of
`PasswordCrossDomainConfirmationPopupControllerImpl`. This change
allows to have one proper interface class in the tests.

This is refactor to allow having the same popup with different text
based on where the filling is triggered from.
The follow-up CL will show "warning" text on filling from dropdown
suggestions (https://screenshot.googleplex.com/3p7dHfwAzKbwrVh)
compared to the current text
(https://screenshot.googleplex.com/4RxMK9igp2tWckW)

Bug: 372635361, 377230402
Change-Id: I831e5bb82a457d47a15246242be9ce20c5c3acf3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6021665
Commit-Queue: Din Nezametdinov <shaikhitdin@google.com>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1388423}