100644 blob 939e3b56af06c48c49fcf4cdfbdb301f153c9ab8	BUILD.gn
040000 tree 0c6202f7e1143ac05a68b1dbd77de5e0d58ae9f5	echo
100644 blob bb232c5ac91022a77e83a1c9230feec26d0777f1	echo_service.mojom
040000 tree 90b0d612e0883e4094fad60bbf853b67ce79271f	pingpong
100644 blob 36e406866ceb7aedf6337f1fc37bb3f5ba4e9f16	pingpong_service.mojom
040000 tree 315e40875859343420bfaa9d18567ca9e02d3d0e	pingpong_target