Prospectively re-enabling QueuedSharedWorkerShutdown.
Prospectively re-enabling QueuedSharedWorkerShutdown.

BUG=42641
TEST=the test itself

Review URL: http://codereview.chromium.org/3526006

git-svn-id: http://src.chromium.org/svn/trunk/src@61226 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 697a380fbf53f54ac1e0e8d76082c1e7169dbff2
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