Examine source code of Recspet

{
  "manifest_version": 2,
  "name": "Recspet",
  "version": "1.0",
  "description": "Prevents JavaScript to load for any page.",
  "icons": {
    "48": "icons/reCSPet-48.png",
    "96": "icons/reCSPet-96.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/reCSPet-16.png",
      "32": "icons/reCSPet-32.png",
      "64": "icons/reCSPet-64.png"
    },
    "default_title": "Recspet is currently enabled"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "reCSPet.js"
    ]
  }
}