Cross Reference: /external/perfetto/gn

`Name`	`Date`	`Size`
Up to higher level directory
`BUILD.gn`	21-Aug-2018	`3.1K`
`ipc_library.gni`	21-Aug-2018	`1.7K`
`perfetto.gni`	21-Aug-2018	`1.2K`
`proto_library.gni`	21-Aug-2018	`778`
`standalone/`	21-Aug-2018