Examine source code of Cashback Service – SecretDiscounter.com

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "version": "2.25",
  "default_locale": "ru",
  "description": "__MSG_extDescription__",
  "icons": {
    "24": "assets/img/logo24.png",
    "48": "assets/img/logo48.png",
    "128": "assets/img/logo128.png"
  },
  "browser_action": {
    "default_icon": "assets/img/logo48.png",
    "default_title": "__MSG_extName__",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": false,
      "css": [
        "assets/css/content.css"
      ],
      "js": [
        "js/vendor/jquery.min.js",
        "js/vendor/purify.min.js",
        "js/common/utils.js",
        "js/common/config.js",
        "js/common/icons.js",
        "js/common/templates.js",
        "js/common/storage.js",
        "js/common/storage_manage.js",
        "js/common/search.js",
        "js/common/stores.js",
        "js/common/translate.js",
        "js/common/language.js",
        "js/content.js"
      ],
      "run_at": "document_start",
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "homepage_url": "https://secretdiscounter.com",
  "permissions": [
    "tabs",
    "clipboardWrite",
    "notifications",
    "storage",
    "<all_urls>"
  ]
}