Examine source code of Vivoo™

{
  "manifest_version": 2,
  "name": "Vivoo™",
  "description": "Best Online Shopping Extension",
  "version": "1.0.3",
  "browser_action": {
    "default_popup": "popup/index.html",
    "default_icon": "images/icon.png"
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "permissions": [
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{89239661-f267-44cc-a896-ac4bbae7f61d}"
    }
  }
}