Backed out changeset c9cbe7b9ad94 (bug 1605380) for WR failures on background-border-collapsed-gradient.html . CLOSED TREE
Backed out changeset c9cbe7b9ad94 (bug 1605380) for WR failures on background-border-collapsed-gradient.html . CLOSED TREE

[wrupdater] From https://hg.mozilla.org/mozilla-central/rev/e94a014eb27e172be7f6b3860806803159d3d1f2

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