Backed out changeset 9112c3abc3ea (bug 926830) for mochitest memory leak on a CLOSED TREE
Backed out changeset f2cade11e3c0 (bug 926830) for mochitest memory leak on a CLOSED TREE
Backed out changeset 44dbd2276837 (bug 926830) for mochitest memory leak on a CLOSED TREE
Backed out changeset 18f6689b172d (bug 926830) for mochitest memory leak on a CLOSED TREE
Backed out changeset 97c8c8491b17 (bug 926830) for mochitest memory leak on a CLOSED TREE