UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Example URL:
https://www.sans.edu/cyber-research/security-laboratory/article/wireless-framing-2

Steps to reproduce the problem:
1. Open https://www.sans.edu/cyber-research/security-laboratory/article/wireless-framing-2
2. Right click on image which shows 802.11 Duration/ID field and select open image in new tab
3. Zoom image in new tab using ctrl + mouse scroll
4. close the tab and we can see the tab we used in point 2 
   is also zoomed

What is the expected behavior?
The tab where zoom is not applied should not be zoomed

What went wrong?
The tab where zoom is not applied zooms

Does it occur on multiple sites: N/A

Is it a problem with a plugin? N/A 

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 67.0.3396.99  Channel: stable
OS Version: Ubuntu 18.04 LTS
Flash Version: