mozilla-b2g/gaia — pull request #3288 by timdream (2012-08-09 10:25:18+00:00)
Title: Revert the Revert

Now the that https://bugzilla.mozilla.org/show_bug.cgi?id=778027 is fixed, we can safely include this clean up.

Revert "Revert "Update SettingsListener to use mozSettings.addObserver()""

This reverts commit d84d09e46ecbbdd9549084687f1761a1c623934b.

See issue #2891