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

net/disk_cache/cache_util_win.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/disk_cache/cache_util.h"
 
 #include <windows.h>
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/win/scoped_handle.h"
 
 namespace {
 
 // Deletes all the files on path that match search_name pattern.
 void DeleteFiles(const base::FilePath& path, const wchar_t* search_name) {
   base::FilePath name(path.Append(search_name));
 
   WIN32_FIND_DATA data;
   HANDLE handle = FindFirstFile(name.value().c_str(), &data);
@@ skipping 44 matching lines @@
         name.value().c_str(), access, sharing, NULL, OPEN_EXISTING, 0, NULL));
     if (file.IsValid())
       return false;
 
     // Most likely there is no file to open... and that's what we wanted.
   }
   return true;
 }
 
 }  // namespace disk_cache