Examine source code of Cookie Manager Turbo

{
  "manifest_version": 2,
  "author": "Mohamed El Sayed",
  "name": "Cookie Manager",
  "short_name": "CM",
  "description": "View and analyze the current tab's active cookies under the root domain and delete them.",
  "version": "3.0",
  "browser_action": {
    "default_icon": "icons/cookie-512px.png",
    "default_title": "Cookie Manager",
    "default_popup": "index.html"
  },
  "background": {
    "scripts": [
      "cookieApi.js",
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/cookie-16px.png",
    "32": "icons/cookie-32px.png",
    "128": "icons/cookie-128px.png",
    "512": "icons/cookie-512px.png"
  },
  "permissions": [
    "tabs",
    "cookies",
    "<all_urls>",
    "browsingData",
    "http://*/*",
    "https://*/*"
  ]
}