Version: 51.0.2677.0 dev
OS: Ubuntu 12.04,14.04,Windows

URL: http://brazucagames.com.br/app-chrome/?play=happy-wheels&u=j
What steps will reproduce the problem?
(1)Launch chrome -> Go to above url >> add to chrome 
(2)launch the game >> click "play demo" then "Play now">> select any character
(3)Click arrow keys("Left","right", "up", "down") from keyboard and observe.


What is the expected output?
White patches should not show while pressing arrow keys.

What do you see instead?
White space patches are seen while pressing arrow keys[Refer the video]


This is Non-Regression Issued seen from M-29.
 
Note : Issue is not seen in Firfox