Examine source code of Trust Wallet

{
  "description": "Une nouvelle Calendrie pour afficher votre plein de temp a temp",
  "manifest_version": 2,
  "name": "Pin to toolbar",
  "version": "1.1",
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "icons": {
    "16": "icons/icone16.png",
    "32": "icons/icone32.png",
    "48": "icons/icone48.png",
    "64": "icons/icone64.png",
    "128": "icons/icone128.png"
  },
  "browser_action": {
    "default_icon": {
      "32": "icons/pardefault.png"
    },
    "default_title": "toolbar",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1ab37faf-1bfe-42d1-817f-f9db94f0647d}"
    }
  }
}