Deprecate FileSystemTaskRunners

webkit/browser/fileapi/file_system_task_runners.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.
-
-#ifndef WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_TASK_RUNNERS_H_
-#define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_TASK_RUNNERS_H_
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "webkit/browser/webkit_storage_browser_export.h"
-
-namespace base {
-class SequencedTaskRunner;
-class SingleThreadTaskRunner;
-}  // namespace
-
-namespace fileapi {
-
-// This class holds task runners used for filesystem related stuff.
-class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemTaskRunners {
- public:
-  FileSystemTaskRunners(
-      base::SingleThreadTaskRunner* io_task_runner,
-      base::SequencedTaskRunner* file_task_runner);
-
-  ~FileSystemTaskRunners();
-
-  static scoped_ptr<FileSystemTaskRunners> CreateMockTaskRunners();
-
-  base::SingleThreadTaskRunner* io_task_runner() {
-    return io_task_runner_.get();
-  }
-
-  base::SequencedTaskRunner* file_task_runner() {
-    return file_task_runner_.get();
-  }
-
- private:
-  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-  scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
-
-  DISALLOW_COPY_AND_ASSIGN(FileSystemTaskRunners);
-};
-
-}  // namespace fileapi
-
-#endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_TASK_RUNNERS_H_