Examine source code of Social Searching

{
  "manifest_version": 2,
  "name": "Social Searching",
  "version": "1.1",
  "description": "Search usernames across social networks",
  "icons": {
    "48": "48.png",
    "96": "96.png"
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{234cc0cb-15b6-4ba8-872c-70ad819a8df5}",
      "strict_min_version": "96.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}