This can be used to test Decoder Doctor on Windows, but disabling WMF through
prefs, to trigger an Decoder Doctor infobar.
MozReview-Commit-ID: 1aRk111VFO7
Suspend decoding of video in background tabs once timer fires. The timer
is trigger on switch to invisible and reset each time becomes
visible. Default timer is set at 10 seconds and is controlled via pref
media.suspend-bkgnd-video.delay-ms.
MozReview-Commit-ID: IPIQ1g7Hkpw
--HG--
extra : rebase_source : d3610dced708ea79611beeed40fc8c8a07ee2d1b
Almost identical to gfxPrefs, with the exception that preferences can't be set (as it doesn't work with e10s anyway). The generated code size is tiny enough that we don't have to bother about having duplicates.
MozReview-Commit-ID: 5SZyscvIzzS
--HG--
extra : rebase_source : 1a2577bbe24d2d6644c3f1f5d0c47850b67fdea0