Backed out changesets 619cdf937af1 and 381492b19e3f (bug 869314) for Windows mochitest failures.
CLOSED TREE
Backed out changeset b52106ac0817 (bug 873155) for jit-test bustage.
CLOSED TREE
Backed out changeset 4cb1973f06b9 (bug 868439) for Android M2 failures.
CLOSED TREE