Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/chrome/browser/chromeos/drive/file_reader.cc

 // Copyright 2013 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 "chrome/browser/chromeos/drive/file_reader.h"
 
 #include <errno.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/platform_file.h"
-#include "base/task/sequenced_task_runner.h"
+#include "base/sequenced_task_runner.h"
 #include "base/task_runner_util.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 
 namespace drive {
 namespace util {
 
 namespace {
 
@@ skipping 141 matching lines @@
   if (open_result == net::OK) {
     DCHECK_NE(base::kInvalidPlatformFileValue, *platform_file->ptr());
     platform_file_ = platform_file->release();
   }
 
   callback.Run(open_result);
 }
 
 }  // namespace util
 }  // namespace drive