[Not for review] scoped_refptr move benchmark.

base/memory/ref_counted.cc

 // 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.
 
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_collision_warner.h"
 
 namespace base {
 
 namespace subtle {
@@ skipping 33 matching lines @@
     in_dtor_ = true;
 #endif
     return true;
   }
   return false;
 }
 
 }  // namespace subtle
 
 }  // namespace base
+
+scoped_refptr<ThreadUnsafe> get_thread_unsafe() {
+  static scoped_refptr<ThreadUnsafe>* g_thread_unsafe =
+      new scoped_refptr<ThreadUnsafe>(new ThreadUnsafe());
+  return *g_thread_unsafe;
+}
+
+scoped_refptr<ThreadSafe> get_thread_safe() {
+  static scoped_refptr<ThreadSafe>* g_thread_safe =
+      new scoped_refptr<ThreadSafe>(new ThreadSafe());
+  return *g_thread_safe;
+}