100644 blob 939e3b56af06c48c49fcf4cdfbdb301f153c9ab8	BUILD.gn
040000 tree f6c1e28fd2f21d9684a2149e5522f2208dae2708	echo
100644 blob a8c3194030560336efba7b678ffcb28206a18e2c	echo_service.mojom
040000 tree 18a861fea01485ae38f17f67e34a3913c1e6ed81	pingpong
100644 blob 22d5f244c5d2524c739373f63a57de15342dca17	pingpong_service.mojom
040000 tree 6a4eb9f34f17b16b5be3e46b83fa1281e13a39d2	pingpong_target