mozilla-b2g/gaia — pull request #4181 by philikon (2012-08-30 20:46:14+00:00)
Title: Send a mozContentEvent from the system app when it's ready to receive system messages.

That will ensure that Gecko brings up certain services only after Gaia is ready to receive their messages. See also https://bugzilla.mozilla.org/show_bug.cgi?id=787172