100644 blob 939e3b56af06c48c49fcf4cdfbdb301f153c9ab8	BUILD.gn
040000 tree 81c568af01e27978c55d39ea808540fa59b823ca	echo
100644 blob a8c3194030560336efba7b678ffcb28206a18e2c	echo_service.mojom
040000 tree 842257fc6a5d42849b41cf7963f5d9e37fcc97ff	pingpong
100644 blob 22d5f244c5d2524c739373f63a57de15342dca17	pingpong_service.mojom
040000 tree 44c39c62e3ebc0cd0c9cf74d39ab686d0202c0a6	pingpong_target