Backed out changeset 97c081de7aa5 (bug 1698156) for causing bustages.
Backed out changeset 97c081de7aa5 (bug 1698156) for causing bustages.

CLOSED TREE

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/0c0112e20d168ff6389aa47456f5b0aaf6008ff0

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