Examine source code of Cookie Ripper

{
  "manifest_version": 2,
  "name": "Cookie Ripper",
  "description": "Allows you to set cookie and web storage preferences on a global, per domain and per cookie level.",
  "version": "1.2.0",
  "author": "Sesu8642",
  "homepage_url": "https://github.com/Sesu8642/CookieRipper",
  "developer": {
    "name": "Sesu8642",
    "url": "https://github.com/Sesu8642"
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "16": "icons/cookieRipper_16.png",
      "32": "icons/cookieRipper_32.png",
      "48": "icons/cookieRipper_48.png",
      "96": "icons/cookieRipper_96.png",
      "128": "icons/cookieRipper_128.png"
    },
    "default_popup": "popup.html",
    "default_title": "Cookie Ripper is active!",
    "default_area": "navbar"
  },
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": false,
    "browser_style": false
  },
  "applications": {
    "gecko": {
      "id": "cookieRipper@sesu8642.de",
      "strict_min_version": "63.0"
    }
  },
  "minimum_chrome_version": "70.0",
  "permissions": [
    "cookies",
    "storage",
    "unlimitedStorage",
    "tabs",
    "webNavigation",
    "notifications",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "lib/browser-polyfill/browser-polyfill.js",
      "lib/tld-browserified.js/tld-browserified.js",
      "js/common.js",
      "js/bgPage.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "lib/browser-polyfill/browser-polyfill.js",
        "js/contentScript.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/cookieRipper_16.png",
    "32": "icons/cookieRipper_32.png",
    "48": "icons/cookieRipper_48.png",
    "96": "icons/cookieRipper_96.png",
    "128": "icons/cookieRipper_128.png"
  },
  "web_accessible_resources": [
    "js/inject.js"
  ]
}