compositing: Only recomposite after a scroll if layers actually moved,
and fix the jerky scrolling "pops" during flings on Mac. See the comments in compositor.rs for more details. Requires servo/webrender#302 and servo/webrender_traits#64.
compositing: Only recomposite after a scroll if layers actually moved,
and fix the jerky scrolling "pops" during flings on Mac. See the comments in compositor.rs for more details. Requires servo/webrender#302 and servo/webrender_traits#64.
