Throttle CSS animations to 30fps in low power mode on iOS to save battery.
<rdar://problem/30837805>
Created attachment 303524 [details] WIP Patch
Created attachment 303532 [details] Patch
Comment on attachment 303532 [details] Patch Looks good to me.
Comment on attachment 303532 [details] Patch Clearing flags on attachment: 303532 Committed r213473: <http://trac.webkit.org/changeset/213473>
All reviewed patches have been landed. Closing bug.