tree bc14a72612b18f1575db9ae7c6ae41b7d5ad8a22
parent e7d943a830dc3797e7b3ddc84cbb8dc4c6aef0e2
author Googler <noreply@google.com> 1550185587 +0100
committer Jing Bian <jingbian@google.com> 1551864559 +0100

[webdriver] Tighten up types.

Using Future<void> if possible, avoiding dynamic calls.

PiperOrigin-RevId: 234037559