Backed out changeset f90b5cb4c293 for crash test failure on CLOSED TREE. r=me
Backed out changeset 68bad2f0b260 for crash test failure on CLOSED TREE. r=me
Backed out changeset e7ca534c5049 for crash test failure on CLOSED TREE. r=me
Backed out changeset d04e3e715d7c for crash test failure on CLOSED TREE. r=me
Backed out changeset a5b64ac96886 for crash test failure on CLOSED TREE. r=me
Backed out changeset 4a02b0e5f388 for crash test failure on CLOSED TREE. r=me
Backed out changeset ab0d7dbb81b2 for crash test failure on CLOSED TREE. r=me