Examine source code of Auto-Close Ignition

{
  "manifest_version": 2,
  "name": "Auto-Close Ignition",
  "version": "1.0.1",
  "description": "Auto-close Ignition login windows after 3 seconds so you don't have to.",
  "permissions": [
    "tabs",
    "storage",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "applications": {
    "gecko": {
      "id": "nospam@gamemore.com"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "browsingActivity"
        ],
        "optional": []
      },
      "id": "{ce409510-628e-40e9-a3e1-75bfae24f281}"
    }
  }
}