Use a direct include of the message_loop header in chrome/browser/, part 10.

chrome/browser/signin/token_service_unittest.h

 // 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.
 //
 // This file defines a unit test harness for the profile's token service.
 
 #ifndef CHROME_BROWSER_SIGNIN_TOKEN_SERVICE_UNITTEST_H_
 #define CHROME_BROWSER_SIGNIN_TOKEN_SERVICE_UNITTEST_H_
 
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/signin/token_service.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/test/test_browser_thread.h"
 #include "content/public/test/test_notification_tracker.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 52 matching lines @@
   TokenService* service_;
   TokenAvailableTracker success_tracker_;
   TokenFailedTracker failure_tracker_;
   GaiaAuthConsumer::ClientLoginResult credentials_;
   std::string oauth_token_;
   std::string oauth_secret_;
   scoped_ptr<TestingProfile> profile_;
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_TOKEN_SERVICE_UNITTEST_H_