Chrome Version       : 54.0.2840.34
OS Version: 
URLs (if applicable) :

Chromium performance is very slow to resize when gpu compositing is enabled.

Here are a couple quick videos showcasing the issue:

https://youtu.be/ClNfhOpDAA4 (Strictly chrome gpu compositing and firefox)
https://youtu.be/UKT3OI-0szQ (Chrome performance with steam: open issue with valve below)

I have opened a bug report with valve with a very similar issue. 

https://github.com/ValveSoftware/steam-for-linux/issues/4653

It is window manager agnostic. I have tried this with kwin, openbox and xfce. They all produce the same results.

Hardware information: http://pastebin.ubuntu.com/23300385/

Hardware information is from the valve bug report.