chrome/test/data/extensions/api_test/cross_origin_xhr/background_page/manifest.json

{
  "name": "cross origin xhr tests",
  "version": "0.1",
  "manifest_version": 2,
  "description": "Sanity check that cross-origin XHR works for extensions. The majority of this is implemented (and tested) in WebKit, but we have a sanity test here just to make sure the integration with Chromium keeps working.",
  "background": {
    "page": "test.html"
  },
  "permissions": ["http://a.com/", "http://*.b.com/", "ftp://127.0.0.1/*"]
}