Revert of base: Remove use of MessageLoopProxy

base/threading/thread.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 "base/threading/thread.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
-#include "base/location.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
 #include "base/threading/thread_id_name_manager.h"
 #include "base/threading/thread_local.h"
 #include "base/threading/thread_restrictions.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_com_initializer.h"
 #endif
@@ skipping 136 matching lines @@
   // We should only be called on the same thread that started us.
 
   // Reading thread_id_ without a lock can lead to a benign data race
   // with ThreadMain, so we annotate it to stay silent under ThreadSanitizer.
   DCHECK_NE(ANNOTATE_UNPROTECTED_READ(thread_id_), PlatformThread::CurrentId());
 
   if (stopping_ || !message_loop_)
     return;
 
   stopping_ = true;
-  task_runner()->PostTask(FROM_HERE, base::Bind(&ThreadQuitHelper));
+  message_loop_->PostTask(FROM_HERE, base::Bind(&ThreadQuitHelper));
 }
 
 bool Thread::IsRunning() const {
   return running_;
 }
 
 void Thread::SetPriority(ThreadPriority priority) {
   // The thread must be started (and id known) for this to be
   // compatible with all platforms.
   DCHECK_NE(thread_id_, kInvalidThreadId);
@@ skipping 67 matching lines @@
 
     // Assert that MessageLoop::Quit was called by ThreadQuitHelper.
     DCHECK(GetThreadWasQuitProperly());
 
     // We can't receive messages anymore.
     message_loop_ = NULL;
   }
 }
 
 }  // namespace base