updateSecondaryToolbar method
Sets or updates (if already present) the Remote Views of the secondary toolbar in an existing custom tab session.
NOTE: Not available in a Trusted Web Activity.
Officially Supported Platforms/Implementations:
Implementation
Future<void> updateSecondaryToolbar(
ChromeSafariBrowserSecondaryToolbar secondaryToolbar) =>
platform.updateSecondaryToolbar(secondaryToolbar);