interface AccountObserver (source)
Observer interface which lets its users monitor account state changes and major events. (XXX - there’s some tension between this and the mozilla.components.concept.sync.AccountEvent we should resolve!)
Account was successfully authenticated.
Account needs to be re-authenticated (e.g. due to a password change).
Account just got logged out.
Account’s profile is now available.
Loads a file from the resources folder and returns its content as a string object.