components/metrics/public/cpp/OWNERS

per-file *.mojom=set noparent
per-file *.mojom=file://ipc/SECURITY_OWNERS
per-file *_struct_traits*.*=set noparent
per-file *_struct_traits*.*=file://ipc/SECURITY_OWNERS
per-file *.typemap=set noparent
per-file *.typemap=file://ipc/SECURITY_OWNERS