Disabling failing WorkerTest.MessagePorts after WebKit roll.
Disabling failing WorkerTest.MessagePorts after WebKit roll.

BUG=23320
TEST=None
TBR=atwilson@chromium.org

Review URL: http://codereview.chromium.org/245041

git-svn-id: http://src.chromium.org/svn/trunk/src@27467 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 9cc1dc56986487a55bc318fe919a8c9221e5eddc
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