Use a direct include of the message_loop header in chrome/browser/, part 7.

chrome/browser/metrics/metrics_log_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 <string>
 
 #include "base/basictypes.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/port.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "base/time/time.h"
 #include "base/tracked_objects.h"
 #include "chrome/browser/google/google_util.h"
@@ skipping 305 matching lines @@
     EXPECT_EQ(113, tracked_object->exec_time_sampled());
     EXPECT_EQ(108, tracked_object->queue_time_total());
     EXPECT_EQ(103, tracked_object->queue_time_sampled());
     EXPECT_EQ(GG_UINT64_C(7246674144371406371),
               tracked_object->exec_thread_name_hash());
     EXPECT_EQ(1177U, tracked_object->process_id());
     EXPECT_EQ(ProfilerEventProto::TrackedObject::RENDERER,
               tracked_object->process_type());
   }
 }