Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/webkit/fileapi/test_mount_point_provider.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 "webkit/fileapi/test_mount_point_provider.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/file_util.h"
-#include "base/task/sequenced_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "webkit/fileapi/copy_or_move_file_validator.h"
 #include "webkit/fileapi/file_observers.h"
 #include "webkit/fileapi/file_system_file_stream_reader.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 #include "webkit/fileapi/file_system_quota_util.h"
 #include "webkit/fileapi/file_system_util.h"
 #include "webkit/fileapi/local_file_system_operation.h"
 #include "webkit/fileapi/local_file_util.h"
 #include "webkit/fileapi/native_file_util.h"
 #include "webkit/fileapi/sandbox_file_stream_writer.h"
@@ skipping 171 matching lines @@
   NOTREACHED();
   callback.Run(base::PLATFORM_FILE_ERROR_INVALID_OPERATION);
 }
 
 const UpdateObserverList* TestMountPointProvider::GetUpdateObservers(
     FileSystemType type) const {
   return &observers_;
 }
 
 }  // namespace fileapi