Backed out changeset d4b3920ae4a3 (bug 939318) for XPCtest failures
Backed out changeset 19325851ecee (bug 939318) for XPCtest failures
Backed out changeset 5d4a27b67b96 (bug 939318) for XPCTest failures
Backed out changeset 6c0f309856fc (bug 939318) XPCTest Failures
Backed out changeset 876ba605d62c (bug 939318) for XPCTest Failures