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

net/base/network_time_notifier.cc

 // Copyright (c) 2013 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/network_time_notifier.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/i18n/time_formatting.h"
 #include "base/location.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 
 namespace {
 
 // Clock resolution is platform dependent.
 #if defined(OS_WIN)
 const int64 kTicksResolutionMs = base::Time::kMinLowResolutionThresholdMs;
 #else
 const int64 kTicksResolutionMs = 1;  // Assume 1ms for non-windows platforms.
@@ skipping 60 matching lines @@
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(observer_callback,
                    network_time_,
                    network_time_ticks_,
                    network_time_uncertainty_));
   }
 }
 
 }  // namespace net