And now NewRunnableMethod(), you die.

chrome/browser/metrics/thread_watcher.h

 // 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.
 
 // This file defines a WatchDog thread that monitors the responsiveness of other
 // browser threads like UI, IO, DB, FILE and CACHED threads. It also defines
 // ThreadWatcher class which performs health check on threads that would like to
 // be watched. This file also defines ThreadWatcherList class that has list of
 // all active ThreadWatcher objects.
 //
@@ skipping 531 matching lines @@
  private:
   // shutdown_watchdog_ watches for hangs during shutdown.
   base::Watchdog* shutdown_watchdog_;
 
   // The |thread_id_| on which this object is constructed.
   const base::PlatformThreadId thread_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ShutdownWatcherHelper);
 };
 
-// DISABLE_RUNNABLE_METHOD_REFCOUNT is a convenience macro for disabling
-// refcounting of ThreadWatcher and ThreadWatcherList classes.
-DISABLE_RUNNABLE_METHOD_REFCOUNT(ThreadWatcher);
-DISABLE_RUNNABLE_METHOD_REFCOUNT(ThreadWatcherList);
-
 #endif  // CHROME_BROWSER_METRICS_THREAD_WATCHER_H_