Examine source code of PB App Player

{
  "description": "Puts the browser into Kiosk mode for PB applications",
  "manifest_version": 2,
  "name": "PB App Player",
  "version": "1.2",
  "homepage_url": "https://performancebuildings.ch",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "background": {
    "scripts": [
      "js/reloadOnServerError.js",
      "js/reloadOnClientError.js",
      "js/fullscreen.js"
    ]
  },
  "permissions": [
    "webNavigation",
    "tabs",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3b106a0b-bf73-405b-84c9-6c8826dabb8f}"
    }
  }
}