{
  "manifest_version": 2,
  "name": "Script a.com",
  "version": "0.1",
  "description": "Content scripts on a.com",
  "content_scripts": [{
    "matches": ["http://a.com/*"],
    "js": ["script.js"],
    "all_frames": true,
    "run_at": "document_start"
  }]
}