+++ This bug was initially created as a clone of Bug #1062119 +++ On my Flame I see sluggish scrollbar while scrolling in Homescreen, and Settings. It occurs between these two pvt builds (from https://pvtbuilds.mozilla.org/pvt/mozilla.org/b2gotoro/nightly/mozilla-central-flame-eng/2014/09/): OK: Gaia 44bf2e3bc5ddea9db9a8c851bd353cb234aa883c Gecko https://hg.mozilla.org/mozilla-central/rev/c360f3d1c00d BuildID 20140902040205 Version 34.0a1 NG: Gaia 7e469783859785a8bd4bf02a802f32561c84be7b Gecko https://hg.mozilla.org/mozilla-central/rev/372ce1f36116 BuildID 20140902121319 Version 35.0a1
Almost certainly a duplicate of bug 1061327.
Thanks for the info. Bisecting: 0 revisions left to test after this (roughly 1 step) [021e1aa7f6b9481df4755b1e4f487c4066641736] Bug 967844. Part 2: Move mContentDescription from Layer to FrameMetrics. r=kats