UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36

Steps to reproduce the problem:
1. When the new Zoom Chrome extension is installed and choose in the options page for use "Browser Zoom built-in"
2. Click on the + or - to zoom in/out
3. You see the Chrome default Zoom popup

What is the expected behavior?
There must be an option to block/hide this default Zoom popup. When you use an extern Chrome extension to manage your Zoom for that website.

What went wrong?
The default Zoom popup show up always for each click on the Zoom Chrome extension

WebStore page: https://chrome.google.com/webstore/detail/zoom/lajondecmobodlejlcjllhojikagldgd

Did this work before? N/A 

Chrome version: 51.0.2704.103  Channel: stable
OS Version: OS X 10.11.5
Flash Version: Shockwave Flash 22.0 r0

Developer from the Zoom Browser extension
https://www.stefanvd.net/project/zoom/browser/index.htm
https://chrome.google.com/webstore/detail/zoom/lajondecmobodlejlcjllhojikagldgd