overridePermissions method
origin
var context = browser.defaultBrowserContext;
await context.overridePermissions(
'https://html5demos.com', [PermissionType.geolocation]);
Implementation
Future<void> overridePermissions(
String origin, List<PermissionType> permissions) async {
await browser.browser
.grantPermissions(permissions, origin: origin, browserContextId: id);
}