Examine source code of auto-retry

{
  "author": "Pavel Kardash",
  "manifest_version": 2,
  "name": "auto-retry",
  "version": "1.6resigned1",
  "description": "Retries to reload a page until it is available with 3 min interval.",
  "icons": {
    "48": "icons/refresh_reload_icon_48.png",
    "96": "icons/refresh_reload_icon_96.png"
  },
  "background": {
    "scripts": [
      "retry.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "auto-retry@kardash.su",
      "strict_min_version": "45.0"
    }
  },
  "permissions": [
    "tabs",
    "webRequest",
    "<all_urls>"
  ]
}