mozilla-b2g/gaia — pull request #11641 by rwaldron (2013-08-20 18:10:46+00:00)
Title: Bug 907288 - [Messages] Recipients.prototype.remove should guard against calls to splice(-1, 1)

https://bugzilla.mozilla.org/show_bug.cgi?id=907288

- If index === -1, return
- Tests:
- Assert recipients.length correctness
- Assert call to render

Signed-off-by: Rick Waldron