{
   "name": "sample extension",
   "description": "sample code",
   "manifest_version": 2,
   "background": {
      "scripts": [ "bg.js" ],
      "persistent": false
   },
   "content_scripts": [ {
      "matches": [ "http://*/*", "https://*/*" ],
      "js": [ "main.js" ]
   } ],
    "permissions": [ "http://*/*", "https://*/*", "tabs" ],
   "version": "1.0.0.0"
}