Use a direct include of the message_loop header in base/.

base/message_loop/message_pump_glib_unittest.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/message_loop/message_pump_glib.h"
 
 #include <glib.h>
 #include <math.h>
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
 namespace base {
 namespace {
@@ skipping 543 matching lines @@
   // loop is not run by MessageLoop::Run() but by a straight Gtk loop.
   // Note that in this case we don't make strong guarantees about niceness
   // between events and posted tasks.
   loop()->PostTask(
       FROM_HERE,
       Bind(&TestGtkLoopInternal, Unretained(injector())));
   loop()->Run();
 }
 
 }  // namespace base