chromium/extensions/test/data/api_test/feedback_private/basic/manifest.json

{
  "key": "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMZElzFX2J1g1nRQ/8S3rg/1CjFyDltWOxQg+9M8aVgNVxbutEWFQz+oQzIP9BB67mJifULgiv12ToFKsae4NpEUR8sPZjiKDIHumc6pUdixOm8SJ5Rs16SMR6+VYxFUjlVW+5CA3IILptmNBxgpfyqoK0qRpBDIhGk1KDEZ4zqQIDAQAB",
  "name": "chrome.feedbackPrivate basic extension tests",
  "version": "1.0",
  "manifest_version": 2,
  "app": { "background": { "scripts": ["test.js"] } },
  "permissions": ["feedbackPrivate"]
}