Revert 252697 "Revert 252674 "[Mac] Draw accelerated underlay vi..."

Commit in question did not actually cause any problems.

> Revert 252674 "[Mac] Draw accelerated underlay view immediately ..."
> 
> > [Mac] Draw accelerated underlay view immediately instead of marking for display.
> > 
> > BUG=344365
> > 
> > Review URL: https://codereview.chromium.org/169813002
> 
> TBR=dgozman@chromium.org
> 
> Review URL: https://codereview.chromium.org/166843005

TBR=mpearson@chromium.org

Review URL: https://codereview.chromium.org/177653002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@252904 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 252904