Examine source code of autoreload

{
  "manifest_version": 2,
  "name": "autoreload",
  "version": "1.3resigned1",
  "description": "Performs automatic reloading at interval.",
  "icons": {
    "48": "icons/autoreload_icon-48.png"
  },
  "permissions": [],
  "background": {
    "scripts": [
      "autoreload.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/autoreload_icon-48.png",
    "default_title": "autoreload",
    "default_popup": "popup/autoreload.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06d71020-7e19-4176-b440-6a345d6cc46e}"
    }
  }
}