Examine source code of Bing-Rewards-With-Google

{
  "manifest_version": 2,
  "name": "Google to Bing Auto-Search",
  "version": "1.0",
  "description": "Automatically searches Bing in the background when you search on Google.",
  "permissions": [
    "tabs",
    "*://*.google.com/*",
    "*://*.bing.com/*"
  ],
  "icons": {
    "48": "icon.png",
    "96": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "google2bing@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}