Updated BraveComponentLoader to use the new constractor signature.

Chromium change:

https://chromium.googlesource.com/chromium/src/+/be1f920bfb7aa8094f4b89efc297dc32746876d6

commit be1f920bfb7aa8094f4b89efc297dc32746876d6
Author: Michael Giuffrida <michaelpg@chromium.org>
Date:   Wed Jun 5 22:36:18 2019 +0000

    Don't add Kiosk Next Home app in normal sessions

    The Kiosk Next Home app should only be loaded in Kiosk Next Home
    sessions (using the pref as a proxy for this).

    Also removes unused local_state references.

    Bug: 937549