[
  {
    "os": [
      "win",
      "linux",
      "mac",
      "chromeos",
      "fuchsia"
    ],
    "simple_policy_pref_mapping_test": {
      "pref_name": "media_router.access_code_cast.device_duration",
      "default_value": 0,
      "values_to_test": [
        10
      ]
    }
  }
]