chromium/chrome/test/data/extensions/absolute_path/absolute.json

{
  "name": "A generic empty manifest to use for testing",
  "manifest_version": 2,
  "version": "1.0",
  "browser_action": {
    "default_popup": "/test.html"
  },
  "background": {
    "scripts": ["/test.js"]
  }
}