Examine source code of Cookie Browser

{
  "manifest_version": 2,
  "name": "Cookie Browser",
  "version": "0.0.7",
  "icons": {
    "16": "assets/icons/favicon-16.png",
    "32": "assets/icons/favicon-32.png",
    "48": "assets/icons/favicon-48.png",
    "128": "assets/icons/favicon-128.png"
  },
  "description": "Parse cookies from all domain for selenium",
  "homepage_url": "https://www.connexussecure.com/",
  "short_name": "Cookie Browser",
  "permissions": [
    "cookies",
    "*://*/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "author": "princesust@gmail.com",
  "browser_action": {
    "default_icon": {
      "16": "assets/icons/favicon-16.png",
      "32": "assets/icons/favicon-32.png",
      "48": "assets/icons/favicon-48.png",
      "128": "assets/icons/favicon-128.png"
    },
    "default_title": "Cookie Browser",
    "browser_style": false
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "js/background.bundle.js"
    ]
  }
}