Build accelerated compositor by default on Mac OS X to ensure no compilation regressions in the associated code.
Build accelerated compositor by default on Mac OS X to ensure no
compilation regressions in the associated code.

BUG=38969
TEST=none

Review URL: http://codereview.chromium.org/3012048

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@55763 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser