mozilla-b2g/gaia — pull request #11895 by cctuan (2013-09-03 02:21:26+00:00)
Title: Bug 907056 - [Buri][Browser] it will prompt "save video"repeatedly after exit fullscreen when you long press screen repeatedly

https://bugzilla.mozilla.org/show_bug.cgi?id=907056

add flag to prevent triggering contextmenu too many times.