mozilla-b2g/gaia — pull request #3682 by cpearce (2012-08-22 04:41:36+00:00)
Title: Use ':root:-moz-full-screen-ancestor rather than '#screen.fullscreen'

Fixes issue #3616 and probably issue #3522 too.

Comment describing fix in (issue #3522 comment #7924486](https://github.com/mozilla-b2g/gaia/issues/3616#issuecomment-7924486).

@timdream may decide we don't need this thanks to his work in issue #3626, but regardless we should have on file the cause of this and how to fix this, just in case we need it.