electron/shell/common/extensions/api/_permission_features.json

{
  "resourcesPrivate": {
    "channel": "stable",
    "extension_types": [
      "extension"
    ],
    "location": "component"
  },
  "pdfViewerPrivate": {
    "channel": "stable",
    "extension_types": [
      "extension"
    ],
    "allowlist": [
      "CBCC42ABED43A4B58FE3810E62AFFA010EB0349F"
    ]
  },
  "management": {
    "channel": "stable",
    "extension_types": [
      "extension"
    ]
  }
}