Backed out changeset 95eeb31a4edd (bug 1730695) for causing crashtest failures on 1730695.html. CLOSED TREE
Backed out changeset 95eeb31a4edd (bug 1730695) for causing crashtest failures on 1730695.html. CLOSED TREE

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/fbc75472cf924a64cfd3166b882b2aedffcc1cfc

servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender