We need to use this API in the front-end code, and in the off-chance
that we end up turning it off for the Web for whatever reason, or if
someone has turned off the pref, we should make sure our UI code does
not break.
Expose requestIdleCallback on Window and implement running callbacks
in idle periods by posting rICs to the main threads idle queue.
MozReview-Commit-ID: KSYQsyaZ6is
--HG--
extra : rebase_source : 6abd41c2de96b39004f1b2c3c740e81de570970c
Expose requestIdleCallback on Window and implement running callbacks
in idle periods by posting rICs to the main threads idle queue.
MozReview-Commit-ID: KSYQsyaZ6is
--HG--
extra : rebase_source : 4bdd578b654d05cab600489d30d859452d1bc888