TTF: Re-enable WorkerTest.QueuedSharedWorkerShutdown by marking it as FAILS_.

chrome/worker/worker_uitest.cc

Index: chrome/worker/worker_uitest.cc
diff --git a/chrome/worker/worker_uitest.cc b/chrome/worker/worker_uitest.cc
index 20e6baec618354839a20994fbd544e50e3d031a4..f6f247ec9f1b81bdaf332ff3fa69a391661a121b 100644
--- a/chrome/worker/worker_uitest.cc
+++ b/chrome/worker/worker_uitest.cc
@@ -584,7 +584,7 @@ TEST_F(WorkerTest, WorkerClose) {
 }
 
 // http://crbug.com/42641
-TEST_F(WorkerTest, DISABLED_QueuedSharedWorkerShutdown) {
+TEST_F(WorkerTest, FAILS_QueuedSharedWorkerShutdown) {
   // Tests to make sure that queued shared workers are started up when
   // shared workers shut down.
   int max_workers_per_tab = WorkerService::kMaxWorkersPerTabWhenSeparate;