chromium/chrome/test/data/nacl/pnacl_nmf_options/pnacl_o_2.nmf

{
  "program": {
    "portable": {
      "pnacl-translate": {
        "optlevel": 2,
        "url": "pnacl_options_newlib_pnacl.pexe"
      }
    }
  }
}