Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/webkit/quota/quota_manager.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/quota/quota_manager.h"
 
 #include <algorithm>
 #include <deque>
 #include <functional>
 #include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/metrics/histogram.h"
+#include "base/sequenced_task_runner.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/sys_info.h"
-#include "base/task/sequenced_task_runner.h"
 #include "base/task_runner_util.h"
 #include "base/time.h"
 #include "net/base/net_util.h"
 #include "webkit/quota/quota_database.h"
 #include "webkit/quota/quota_temporary_storage_evictor.h"
 #include "webkit/quota/quota_types.h"
 #include "webkit/quota/usage_tracker.h"
 
 #define UMA_HISTOGRAM_MBYTES(name, sample)          \
   UMA_HISTOGRAM_CUSTOM_COUNTS(                      \
@@ skipping 1785 matching lines @@
 
 QuotaManagerProxy::QuotaManagerProxy(
     QuotaManager* manager, base::SingleThreadTaskRunner* io_thread)
     : manager_(manager), io_thread_(io_thread) {
 }
 
 QuotaManagerProxy::~QuotaManagerProxy() {
 }
 
 }  // namespace quota