And now NewRunnableMethod(), you die.

chrome/browser/metrics/thread_watcher.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 "chrome/browser/metrics/thread_watcher.h"
 
 #include <math.h>  // ceil
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 704 matching lines @@
 // WatchDogThread methods and members.
 
 // This lock protects g_watchdog_thread.
 static base::LazyInstance<base::Lock,
                           base::LeakyLazyInstanceTraits<base::Lock> >
     g_watchdog_lock = LAZY_INSTANCE_INITIALIZER;
 
 // The singleton of this class.
 static WatchDogThread* g_watchdog_thread = NULL;
 
-
-// The WatchDogThread object must outlive any tasks posted to the IO thread
-// before the Quit task.
-DISABLE_RUNNABLE_METHOD_REFCOUNT(WatchDogThread);
-
 WatchDogThread::WatchDogThread() : Thread("BrowserWatchdog") {
 }
 
 WatchDogThread::~WatchDogThread() {
   Stop();
 }
 
 // static
 bool WatchDogThread::CurrentlyOnWatchDogThread() {
   base::AutoLock lock(g_watchdog_lock.Get());
@@ skipping 176 matching lines @@
 
 #if defined(OS_WIN)
   // On Windows XP, give twice the time for shutdown.
   if (base::win::GetVersion() <= base::win::VERSION_XP)
     actual_duration *= 2;
 #endif
 
   shutdown_watchdog_ = new ShutdownWatchDogThread(actual_duration);
   shutdown_watchdog_->Arm();
 }