GitLab

shared worker is started.

Added tests for worker close and queued shared worker cases.
BUG=29998
TEST=new UI tests added.

Review URL: http://codereview.chromium.org/580007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@38549 0039d316-1c4b-4281-b951-d872f2087c98