chromium/ppapi/tests/extensions/media_galleries/manifest.json

{
  "manifest_version": 2,
  "name": "media_galleries_nacl",
  "version": "0",
  "description": "Tests media galleries file system access in NaCl.",
  "app": {
    "background": {
      "scripts": ["background.js"]
    }
  },
  "permissions": [
    { "mediaGalleries": [ "read", "allAutoDetected" ] }
  ]
}