UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.63 Safari/537.36

Steps to reproduce the problem:
Just run the browser and show some extension icons in the toolbar, e.g. uBlock or Google Mail checker.

What is the expected behavior?
Nicely visible icons, like it has always been before updating to this version.

What went wrong?
Icons are so small that the numbers in them are indistinguishable.

Did this work before? N/A 

Chrome version: 51.0.2704.63  Channel: stable
OS Version: 51.0.2704.63-51.1.x86_64
Flash Version: Shockwave Flash 21.0 r0

Screenshot attached
 

Deleted: chromium-toolbar-icons.png 4.5 KB

	chromium-toolbar-icons.png 4.5 KB View Download