chromium/chrome/test/data/extensions/api_test/webrequest/on_action_ignored/extension_1/manifest.json

{
  "name": "Extension 1",
  "description": "Test OnActionIgnored on a failed redirect. Redirects google.com to example.com.",
  "manifest_version": 2,
  "permissions": ["webRequest", "webRequestBlocking", "<all_urls>"],
  "version": "0.1",
  "background": {
    "scripts": ["background.js"],
    "persistent": true
  }
}