Examine source code of CokMANAGE

{
  "name": "Cookie Manager",
  "version": "1.5.0",
  "author": "YC",
  "description": "An extension to manage your browser cookies!",
  "permissions": [
    "cookies",
    "storage",
    "tabs",
    "http://*/*",
    "https://*/*",
    "nativeMessaging"
  ],
  "icons": {
    "16": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "browser_action": {
    "default_title": "Cookie Cleaner",
    "default_icon": "icon.png",
    "default_popup": "index.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "manifest_version": 2,
  "addons": {
    "{ba3a7c3d-4570-4cc4-89ee-6d898a2f5503}": {
      "updates": [
        {
          "version": "1.4"
        }
      ]
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ba3a7c3d-4570-4cc4-89ee-6d898a2f5503}"
    }
  }
}