Comment 7 for bug 1355173

> By design, if you switch applications, the trust session is supposed to
> close. So if you switch away from an app using a trust helper, or you
> switch back to the Dash, in both cases the trust helper should be
> closed. The application should know this though.

Is this really true? I believe we were supposed to just keep the prompt with the app and let it live? With the exception of a few sensitive helpers (like payments)?