100644 blob 939e3b56af06c48c49fcf4cdfbdb301f153c9ab8	BUILD.gn
040000 tree 24226244d762dafd5138f16f693363f2365343e6	echo
100644 blob a8c3194030560336efba7b678ffcb28206a18e2c	echo_service.mojom
040000 tree 29d2496ee3b34bba197edabfa769961d6db17f2b	pingpong
100644 blob 22d5f244c5d2524c739373f63a57de15342dca17	pingpong_service.mojom
040000 tree 9b35657b070464932fc35461c84ff4656c12faec	pingpong_target