Examine source code of CNFans Warm remover

{
  "manifest_version": 2,
  "name": "CNFans warning remover by clothesfans",
  "version": "1.5",
  "description": "Elimina el WARN de CNFANS, añade compra rápida en Yupoo y (opcionalmente) enlaces de afiliado.",
  "browser_specific_settings": {
    "gecko": {
      "id": "coastcloset8@gmail.com",
      "strict_min_version": "90.0"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "content_scripts": [
    {
      "js": [
        "yupooQuickBuy.js"
      ],
      "matches": [
        "*://*.yupoo.com/*"
      ],
      "run_at": "document_end"
    },
    {
      "js": [
        "warningRemover.js"
      ],
      "matches": [
        "*://*.cnfans.com/*",
        "*://*.allchinabuy.com/*",
        "*://*.acbuy.com/*",
        "*://*.orientdig.com/*"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "bg.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "popup.html",
    "popup.js",
    "icon.png"
  ]
}