Backed out 6 changesets (bug 1034855) for LSAN leaks on a CLOSED TREE.

Backed out changeset 0dc569f74991 (bug 1034855)
Backed out changeset 4eb0ee62db1e (bug 1034855)
Backed out changeset 4af8993f1534 (bug 1034855)
Backed out changeset f4f5f5b8421d (bug 1034855)
Backed out changeset 33510bb7ad60 (bug 1034855)
Backed out changeset 50b8670329aa (bug 1034855)