Examine source code of ENT controls

{
  "manifest_version": 2,
  "name": "ENT controls",
  "version": "1.1",
  "description": "Ajoute les raccourcis claviers pour controller le lecteur de cours sur le moodle™ des ENT.",
  "content_scripts": [
    {
      "matches": [
        "*://moodle.univ-montp3.fr/mod/eduplayer/*"
      ],
      "js": [
        "injector.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": []
  },
  "icons": {
    "48": "icons/48.jpg",
    "128": "icons/128.jpg"
  },
  "web_accessible_resources": [
    "control.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "JSPlayer-controls@la-livre.xyz"
    }
  }
}