Cleanup at end of TLS test by freeing slot

base/threading/thread_local_storage_unittest.cc

Index: base/threading/thread_local_storage_unittest.cc
===================================================================
--- base/threading/thread_local_storage_unittest.cc	(revision 109368)
+++ base/threading/thread_local_storage_unittest.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -95,6 +95,7 @@
     // Verify that the destructor was called and that we reset.
     EXPECT_EQ(values[index], kInitialTlsValue);
   }
+  tls_slot.Free();  // Stop doing callbacks to cleanup threads.
 }
 
 }  // namespace base