Examine source code of OceanDepthExplorer

{
  "manifest_version": 2,
  "name": "OceanDepthExplorer",
  "version": "1.0",
  "description": "Discover fascinating marine life and deep-sea geology facts. Test your oceanic knowledge with interactive questions and track your dive score directly from your browser toolbar.",
  "icons": {
    "48": "ocean-depth-icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "OceanDepthExplorer"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{40304989-6f5f-4266-b673-79a0539b7592}",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}