chromium/chrome/test/data/extensions/back_forward_cache/content_script_auto_connect/manifest.json

{
  "name": "BFCache test extension",
  "version": "0.1",
  "manifest_version": 2,
  "description": "Extension for BFCache and Prerendering test.",
  "permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "externally_connectable": {
    "matches": [
      "*://a.com/*"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/title2.html",
        "https://*/title2.html"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  }
}