chromium/chrome/test/data/extensions/api_test/tabs/backForwardCache/on_updated/manifest.json

{
  "name": "bfCacheTabUpdated",
  "version": "1.0",
  "manifest_version": 2,
  "description": "Tests the tab.onUpdated API events with the back forward cache.",
  "background": {
    "scripts": ["background.js"],
    "persistent": true
  },
  "permissions": ["tabs"]
}