Add safari to the list of browser that can be tested with selenium.
Add safari to the list of browser that can be tested with selenium.

Review URL: http://codereview.chromium.org/131008

git-svn-id: http://src.chromium.org/svn/trunk/src@18738 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 8969525190bf1851d7d260c6b153353d7e809992
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