Bug 1022575 - Received SMS store (without text) on check balance. Listening "ondelete" event for the deleted threads. r=julien
Merge pull request #21776 from azasypkin/bug-1022575-on-delete-v2.0

 Bug 1022575 - Received SMS store (without text) on check balance. Listening "ondelete" event for the deleted threads. r=julien