UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Steps to reproduce the problem:
1. Open https://example.com
2. Open DevTools and go to console
3. Run `document.addEventListener('keydown', console.log)`
4. Focus on the tab page
5. Press Ctrl + ¥

What is the expected behavior?
The value of `KeyboardEvent.key` for the keydown event is "¥"

What went wrong?
The value of `KeyboardEvent.key` for the keydown event is "|"

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 67.0.3396.99  Channel: n/a
OS Version: OS X 10.12.6
Flash Version: 

I'm using JP106 layout keyboard. I attached a screenshot of the wrong KeyboardEvent instance in DevTools console.
 

Deleted: スクリーンショット 2018-08-07 14.02.30.png 79.8 KB

	スクリーンショット 2018-08-07 14.02.30.png 79.8 KB View Download