Examine source code of Cookie API

{
  "name": "Cookie API",
  "version": "0.8",
  "description": "Testing my best Cookie API",
  "permissions": [
    "cookies",
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "16": "cookie.png",
    "48": "cookie.png",
    "128": "cookie.png"
  },
  "browser_action": {
    "default_icon": "cookie.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "manifest_version": 2
}