UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36

Steps to reproduce the problem:
1. Enter fullscreen and call navigator.keyboard.lock()
2. Press the Windows key
3. The Windows start menu will appear 

What is the expected behavior?
The Windows key should be captured by the webpage.

What went wrong?
The Windows key is not being locked. 

Did this work before? No 

Does this work in other browsers? N/A

Chrome version: 68.0.3440.106  Channel: stable
OS Version: 10.0
Flash Version: 

We have a remote desktop application so all keys are requested.