Use a direct include of the message_loop header in net/, part 1.

net/base/directory_lister.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 "net/base/directory_lister.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_enumerator.h"
 #include "base/i18n/file_util_icu.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/threading/worker_pool.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
 namespace {
 
 const int kFilesPerEvent = 8;
 
@@ skipping 181 matching lines @@
 
 void DirectoryLister::OnReceivedData(const DirectoryListerData& data) {
   delegate_->OnListFile(data);
 }
 
 void DirectoryLister::OnDone(int error) {
   delegate_->OnListDone(error);
 }
 
 }  // namespace net