UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36

Steps to reproduce the problem:
1. Create 300 Tabs
2. 
3. 

What is the expected behavior?
Tabs becomes smaller

What went wrong?
We would like a multi-row tab similar to tab mix plus extension in Firefox 
https://bugs.chromium.org/p/chromium/issues/detail?id=188

Did this work before? N/A 

Chrome version: 56.0.2924.87  Channel: n/a
OS Version: OS X 10.10.5
Flash Version: Shockwave Flash 25.0 r0

This is critical feature