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

webkit/browser/fileapi/obfuscated_file_util_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 <set>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/file_path.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/platform_file.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/fileapi/async_file_test_helper.h"
 #include "webkit/browser/fileapi/external_mount_points.h"
 #include "webkit/browser/fileapi/file_system_backend.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
 #include "webkit/browser/fileapi/file_system_task_runners.h"
 #include "webkit/browser/fileapi/file_system_usage_cache.h"
 #include "webkit/browser/fileapi/mock_file_change_observer.h"
@@ skipping 2296 matching lines @@
   // Remove isolated.
   storage_policy_->RemoveIsolated(origin_);
 
   // This should still get the same database.
   SandboxDirectoryDatabase* db2 = file_util.GetDirectoryDatabase(
       origin_, kFileSystemTypePersistent, false /* create */);
   ASSERT_EQ(db, db2);
 }
 
 }  // namespace fileapi