Fix accelerated content in fullscreen in 10.6.
Fix accelerated content in fullscreen in 10.6.

BUG=123699, 53382, 56154, 120772
TEST=as in bug 123699


Review URL: http://codereview.chromium.org/10035029

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@132840 0039d316-1c4b-4281-b951-d872f2087c98

ropik/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,ropik/chromium,ropik/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,adobe/chromium,yitian134/chromium,adobe/chromium,ropik/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,adobe/chromium,adobe/chromium,ropik/chromium,yitian134/chromium,yitian134/chromium