chromium/chrome/test/data/extensions/hosted_app/manifest.json

{
  "name": "hosted_app",
  "version": "0.1",
  "manifest_version": 2,
  "description": "Trivial hosted app.",
  "app": {
    "urls": [
      "http://localhost/extensions/hosted_app/main.html"
    ],
    "launch": {
      "web_url": "http://localhost/extensions/hosted_app/main.html"
    }
  },
  "icons": { "128": "icon.png" }
}