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

webkit/browser/fileapi/syncable/local_file_change_tracker_unittest.cc

 // Copyright 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 "webkit/browser/fileapi/syncable/local_file_change_tracker.h"
 
 #include <deque>
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/stl_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/blob/mock_blob_url_request_context.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_task_runners.h"
 #include "webkit/browser/fileapi/syncable/canned_syncable_file_system.h"
 #include "webkit/browser/fileapi/syncable/local_file_sync_context.h"
 #include "webkit/browser/fileapi/syncable/sync_status_code.h"
 #include "webkit/browser/fileapi/syncable/syncable_file_system_util.h"
@@ skipping 571 matching lines @@
   ASSERT_EQ(2U, urls_to_process.size());
 
   // The exact order of recursive removal cannot be determined.
   EXPECT_TRUE(URL(kPath1) == urls_to_process[0] ||
               URL(kPath2) == urls_to_process[0]);
   EXPECT_TRUE(URL(kPath1) == urls_to_process[1] ||
               URL(kPath2) == urls_to_process[1]);
 }
 
 }  // namespace sync_file_system