Bug#673176: chromium: Chromium is locking up entire Gnome-Shell regularly

Today I update Google chrome to version 27.0.1453.93 and the problem with this browser dissapear, but with chromiun is equal.

Bug#673176: chromium: Chromium is locking up entire Gnome-Shell regularly

I don't know if is related, but I apreciate similar problem. Running debian wheezy amd64 as VirtualBox guest on Windows 7 64 as host, with 3d aceleration enabled. When I view this site http://www.html5rocks.com/en/tutorials/webcomponents/shadowdom/ the view zone flicker showing background desktop