Backed out 4 changesets (bug 698371) for e10s bc3 bustage

Backed out changeset 6c6d420a3acc (bug 698371)
Backed out changeset 81378dee5a62 (bug 698371)
Backed out changeset d004bfd7f706 (bug 698371)
Backed out changeset 17bbdeffa8a6 (bug 698371)