Enable new tab test reference builds on Mac now that the reference builds are new enough.
Enable new tab test reference builds on Mac now that the reference builds are new enough.

BUG=28028

Review URL: http://codereview.chromium.org/463034

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@33865 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