Enable back some worker UI tests.
Enable back some worker UI tests.

BUG=23597, 23709

Landing for Vitaly.

Review URL: http://codereview.chromium.org/371021

git-svn-id: http://src.chromium.org/svn/trunk/src@31425 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ec90e3b18b05cbf24989cc20988591d3ad4701a0
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