Backed out changeset 77959236fb15 (bug 1084651)
Backed out changeset d1acde27d97e (bug 1084651)
Backed out changeset 94197c33cf82 (bug 1084651)
Backed out changeset b34ff39fc966 (bug 1084651)
Backed out changeset ebdebc9251be (bug 1084651)
Backed out changeset 206012ab9d08 (bug 1084651) for too much hazard failures
Merge mozilla-central to fx-team