mozilla-b2g/gaia — pull request #15242 by mpizza (2014-01-13 08:47:45+00:00)
Title: Bug 958003 - [Keyboard][V1.4] FxOS cannot pops up third party keyboard after process manager kills it

-- after OOM keyboard will not get 'oninputcontextchange' at first time while keyboard app is using
-- so can not only depens on 'oninputcontextchange' to show keyboard layouts.