Enable the workers in WorkerThread so that the nested worker can be created. Review URL: http://codereview.chromium.org/66015
Enable the workers in WorkerThread so that the nested worker can be created.
Review URL: http://codereview.chromium.org/66015

git-svn-id: http://src.chromium.org/svn/trunk/src@13617 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: c2a25c36c946928934661e48cb79b71c2d906be8
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