Assert that page_cycler data is present when trying to run tests, so that when it isn't the failure is obvious and easy-to-diagnose.
Assert that page_cycler data is present when trying to run tests, so that when it isn't the failure is obvious and easy-to-diagnose.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/119447

git-svn-id: http://src.chromium.org/svn/trunk/src@18169 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c93284743c0620269cc0c469bd64e554ead1d344
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