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

{
  "name": "no caching",
  "version": "0.1",
  "manifest_version": 2,
  "description": "Checks that extension permission is scoped to correct origin even in presence of the back forward cache.",
  "permissions": ["http://a.com/*"],
  "background": {
    "scripts": ["background.js"],
    "persistent": false
  }
}