Backed out changeset f3aeb3726cee (bug 1698067) for Webrender failures
Backed out changeset f3aeb3726cee (bug 1698067) for Webrender failures

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/f2134bdaf09c9e5939c787a9bd2d1475e82674a5

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