* Remove usernameField from getFieldContext since it isn't used if we return the state of the specified field. Then we don't need the hacky override for usernameField depending on hasBeenTypePassword.
* Return early in LMP._onPasswordEditedOrGenerated if the tab closes to address a test failure in browser_context_menu.js.
Differential Revision: https://phabricator.services.mozilla.com/D69314
1084877740