040000 tree 5151f32527d5eddc2122219fc64c9507cf3e13d1	dawn
040000 tree ce9eedc461e39c05761773ecacd612fa21b8da9f	dawn_native
040000 tree 7928c6aca9c4f523b6e694bbc7434e3b2b8a3cb7	dawn_platform
040000 tree c9f26142e154094991450c69205b14d85e9060ad	dawn_wire