UserAgent: Mozilla/5.0 (X11; CrOS x86_64 9592.96.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.114 Safari/537.36
Platform: 9592.96.0 (Official Build) stable-channel auron_yuna

Example URL:

Steps to reproduce the problem:
1. If I move the mouse, the window move in full screen. I don't want that ! I want to control it. Windows are always moving in big/small: headaches ! 
2. 
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What is the expected behavior?

What went wrong?
 If I move the mouse, the window move in full screen. I don't want that ! I want to control it. Windows are always moving in big/small: headaches ! 
How can I do to desactivate this thing ? It happened 2 weeks ago. Thank you

Does it occur on multiple sites: Yes

Is it a problem with a plugin? N/A 

Did this work before? Yes 

Does this work in other browsers? N/A

Chrome version: 60.0.3112.114  Channel: n/a
OS Version: 9592.96.0
Flash Version: Shockwave Flash 27.0 r0