updateActionButton method
Updates the ChromeSafariBrowserActionButton.icon and ChromeSafariBrowserActionButton.description.
NOTE: Not available in a Trusted Web Activity.
Officially Supported Platforms/Implementations:
Implementation
Future<void> updateActionButton(
{required Uint8List icon, required String description}) {
throw UnimplementedError(
'updateActionButton is not implemented on the current platform');
}