Backed out changeset 30954594c1dd (bug 1031202)
Backed out changeset dc4ff3a5afd1 (bug 1031187)
Backed out changeset 091a5ced91cd (bug 1031187)
Backed out changeset 0af811dfc164 (bug 754215)
Backed out changeset 37683ae1953f (bug 1031199) for crashtest bustage on Linux Opt on a CLOSED TREE