040000 tree 05b7e694199fbad7b2dcab9428ece8ac0d3bf133	base
040000 tree d1b577c2ee58e8e6023a9ecac71804b663558331	chromeos
040000 tree 67297a4472b5922191f71113cf0e5fc86cf337d5	chromeos_base
040000 tree 951d097ce357023226f42e4b47be65bcfc0223f4	mask_only