Backed out changeset 091d82cb377e (bug 907926) for TART regressions
Backed out changeset a8e569516f31 (bug 907926) for TART regressions
Backed out changeset b5d9ee3b3538 (bug 907926) for TART regressions
Backed out changeset a2f85a996314 (bug 907926) for TART regressions
Backed out changeset 78f1f02b6b36 (bug 907926) for TART regressions