chromium/components/policy/test/data/pref_mapping/DiskCacheDir.json

[
  {
    "os": [
      "win",
      "mac",
      "linux",
      "fuchsia"
    ],
    "simple_policy_pref_mapping_test": {
      "pref_name": "browser.disk_cache_dir",
      "pref_location": "local_state",
      "default_value": "",
      "values_to_test": [
        "${user_home}/test-cache"
      ]
    }
  }
]