Examine source code of myTime

{
  "applications": {
    "gecko": {
      "id": "mytime@osimatic.com"
    }
  },
  "manifest_version": 2,
  "name": "myTime",
  "description": "Pointez facilement directement depuis votre navigateur Internet",
  "version": "1.7.0",
  "author": "Osimatic",
  "permissions": [
    "https://api-preprod.mytime.fr/*",
    "storage"
  ],
  "browser_action": {
    "default_icon": "img/logo.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "128": "img/logo_128.png"
  }
}