Examine source code of Screen Capture Recording

{
  "browser_action": {
    "default_icon": {
      "19": "img/icon19.png",
      "38": "img/icon38.png"
    },
    "default_popup": "popup/popup.html",
    "default_title": "Screen Capture Screen Recording"
  },
  "background": {
    "scripts": [
      "./worker_wrapper.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "js": [
        "/libs/jquery-3.2.1.min.js",
        "js/event.js",
        "js/content_script.js",
        "js/popup.js",
        "js/content_scripts.js",
        "popup/popup.js",
        "/recording/js/BackgroundService.js",
        "/recording/js/PopupPage.js",
        "/libs/html2canvas.min.js",
        "/libs/fabric.min.js",
        "content/content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*",
        "<all_urls>",
        "https://chatgpt.com/*",
        "https://www.youtube.com/*",
        "https://youtube.com/*",
        "https://www.gstatic.com/*",
        "https://scrsht.com/*",
        "https://www.google.com/*",
        "https://google.com/*",
        "https://whatsapp.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "default_locale": "en",
  "description": "Screen Capture Screen Recording",
  "homepage_url": "https://scrsht.com",
  "icons": {
    "19": "img/icon19.png",
    "24": "img/icon24.png",
    "32": "img/icon32.png",
    "38": "img/icon38.png",
    "128": "img/icon128.png",
    "256": "img/icon256.png"
  },
  "manifest_version": 2,
  "name": "Screen Capture Screen Recording",
  "permissions": [
    "activeTab",
    "storage",
    "unlimitedStorage",
    "notifications",
    "clipboardWrite",
    "downloads",
    "cookies",
    "contextMenus",
    "tabs",
    "webNavigation",
    "http://*/*",
    "https://*/*",
    "<all_urls>",
    "https://chatgpt.com/*",
    "https://www.youtube.com/*",
    "https://youtube.com/*",
    "https://www.gstatic.com/*",
    "https://scrsht.com/*",
    "https://www.google.com/*",
    "https://google.com/*",
    "https://whatsapp.com/*",
    "https://mail.google.com/*",
    "https://web.whatsapp.com/*"
  ],
  "version": "1.2.78",
  "web_accessible_resources": [
    "toolbar_res/*",
    "libs/*",
    "js/*",
    "html/*",
    "img/*",
    "_locales/*",
    "css/*",
    "libs/jquery-3.2.1.min.js",
    "js/event.js",
    "js/content_script.js",
    "js/content.js",
    "js/popup.js",
    "js/add.js",
    "js/content_scripts.js",
    "popup/popup.js",
    "/recording/js/BackgroundService.js",
    "/recording/js/PopupPage.js",
    "/libs/jspdf.umd.min.js",
    "libs/html2canvas.min.js",
    "libs/html2pdf.bundle.min.js",
    "popup/popup.html",
    "content/content.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{bafdcf77-1a21-4d30-af89-62648655e0b0}"
    }
  }
}