Remove calls to MessageLoop::current() in chrome.

chrome/browser/metrics/thread_watcher.cc

 // Copyright (c) 2012 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 731 matching lines @@
 }
 
 WatchDogThread::~WatchDogThread() {
   Stop();
 }
 
 // static
 bool WatchDogThread::CurrentlyOnWatchDogThread() {
   base::AutoLock lock(g_watchdog_lock.Get());
   return g_watchdog_thread &&
-      g_watchdog_thread->message_loop() == base::MessageLoop::current();
+         g_watchdog_thread->task_runner()->BelongsToCurrentThread();
 }
 
 // static
 bool WatchDogThread::PostTask(const tracked_objects::Location& from_here,
                               const base::Closure& task) {
   return PostTaskHelper(from_here, task, base::TimeDelta());
 }
 
 // static
 bool WatchDogThread::PostDelayedTask(const tracked_objects::Location& from_here,
@@ skipping 237 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();
 }