Bug 971569 - [System2] Instantiable TTLView r=alive

https://bugzilla.mozilla.org/show_bug.cgi?id=971569

Screenshot of JSDoc: ![screen shot 2014-02-12 at 6 04 32 pm](https://f.cloud.github.com/assets/122602/2156080/43075b74-9453-11e3-9ea1-3f81e16d851d.png)