Examine source code of Hyper Adblocker Free

{
  "manifest_version": 2,
  "name": "Hyper Adblocker Free",
  "version": "0.58",
  "description": "Hyper Adblocker Free Version: Block website ads and block malware",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "icons": {
    "48": "assets/icon.png"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{727ef947-a8a2-437e-9515-beba24638f1e}"
    }
  }
}