chromium/chrome/test/data/extensions/api_test/file_system_provider/service_worker/mime_type/app/manifest.json

{
  // chrome-extension://gfnblenhaahcnmfdbebgincjohfkbnch
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0b1LCxB5JC35WfAxAx/R4f9xWh6ZP3HwGHX+4XM5yZlI0+xtMN6B5Q2oy0+AIVtkgsKdFDJlaNBmfx0VUQnJA7aoXugxgbM/VtNqDYOg4OSiDgtyRaBWTzbE7/VFkkA4JzkKnTGZKNJSJvT3zS13dZ0xi20N0zgsUhnFk6WQj7nFeT4mjlMRdHe7tg5kim/+KxtQZGany6H+tlKgK1JjK6AMEuKCQ1nRXuhmOpm1hMk+1Iv94HjeESwtlYbch/ksF02yjc/n09ce04u5yWgz76IouxS7685rQlkGfVLLWeBfRS3UEVtVuFg3SpaVeBP2V4HaG/FeV15etyU9THGPHwIDAQAB",
  "name": "Test Chrome app for chrome.fileSystemProvider.onGetMetadataRequested MIME types test",
  "version": "0.1",
  "manifest_version": 2,
  "description": "Chrome app that handles files.",
  "permissions": [
    {
      "fileSystem": ["requestFileSystem", "write"]
    }
  ],
  "file_handlers": {
    "magic_handler": {
      "types": ["text/secret-testing-mime-type"]
    }
  },
  "app": {
    "background": {
      "scripts": [
        "main.js"
      ]
    }
  }
}