Deprecate FileSystemTaskRunners

webkit/browser/fileapi/file_system_task_runners.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/browser/fileapi/file_system_task_runners.h"
-
-#include "base/message_loop/message_loop_proxy.h"
-#include "base/single_thread_task_runner.h"
-
-namespace fileapi {
-
-FileSystemTaskRunners::FileSystemTaskRunners(
-    base::SingleThreadTaskRunner* io_task_runner,
-    base::SequencedTaskRunner* file_task_runner)
-    : io_task_runner_(io_task_runner),
-      file_task_runner_(file_task_runner) {
-}
-
-// static
-scoped_ptr<FileSystemTaskRunners>
-FileSystemTaskRunners::CreateMockTaskRunners() {
-  return make_scoped_ptr(
-      new FileSystemTaskRunners(base::MessageLoopProxy::current().get(),
-                                base::MessageLoopProxy::current().get()));
-}
-
-FileSystemTaskRunners::~FileSystemTaskRunners() {
-}
-
-}  // namespace fileapi