Forgotten to extend the 'supported_on' list of UserDataDir for mac.
Forgotten to extend the 'supported_on' list of UserDataDir for mac.

BUG=49601
TEST=None

Review URL: http://codereview.chromium.org/6526045

git-svn-id: http://src.chromium.org/svn/trunk/src@75103 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6ff79f9ecf8c45c1ffde56cdb9bc586765d83cd5
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser