Examine source code of SERP

{
  "manifest_version": 2,
  "name": "Risa SERP",
  "version": "1.1resigned1",
  "description": "This extension plugin will count the organic Google search results.",
  "author": "Robbie Wolsey",
  "content_scripts": [
    {
      "matches": [
        "https://www.google.com/*"
      ],
      "js": [
        "content_script.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{fee6ed1e-3f2c-4cf3-aa1c-96ccb4884467}"
    }
  }
}