UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36

Steps to reproduce the problem:
1. Focus a Chrome window
2. Press Command+Option+H to activate macOS shortcut for "Hide Others"

What is the expected behavior?
The shortcut should work.

What went wrong?
The shortcut does not work.

Did this work before? N/A 

Chrome version: 70.0.3538.110  Channel: n/a
OS Version: OS X 10.14.1
Flash Version: 

All macOS apps seem to provide this shortcut. Chrome did too until recently.