040000 tree 6f9bcbaa213662fbb170f6459c1a811ba082f86f	google-gflags
040000 tree 4b97e4776a59107a0c69d575541cc1edc963bbaf	libvpx
040000 tree cf28aaacf7dc9d55cf11c094b72fc26f9b01482e	winsdk_samples