Examine source code of VTrends - Tiktok

{
  "manifest_version": 2,
  "name": "VTrends - Tiktok",
  "short_name": "VTrends - Tiktok",
  "description": "VTrends - Tiktok",
  "version": "2.7",
  "background": {
    "persistent": true,
    "scripts": [
      "background.js"
    ]
  },
  "externally_connectable": {
    "matches": [
      "https://www.tiktok.com/*"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.tiktok.com/",
        "*://*.tiktok.com/en",
        "*://*.tiktok.com/foryou"
      ],
      "css": [
        "content.css",
        "files/style.css"
      ],
      "js": [
        "jquery-2.1.4.min.js",
        "files/global-variable.js",
        "files/functions.js",
        "files/app.js",
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "activeTab",
    "identity",
    "cookies",
    "tabs"
  ],
  "icons": {
    "16": "img/dhtb-icon16.png",
    "48": "img/dhtb-icon48.png",
    "128": "img/dhtb-icon128.png"
  },
  "content_security_policy": "script-src 'self' https://social.uocnv.com; object-src 'self'",
  "web_accessible_resources": [
    "img/f-icon-48.png",
    "img/f-icon-128.png",
    "img/added-icon.jpeg",
    "img/loading.gif",
    "img/loading-bg.gif",
    "img/searching.svg"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{815e9cf3-a625-458a-a1d8-b75cbaa6067b}"
    }
  }
}