Revert 198844 "Move sequenced_task_runner to base/task"

trunk/src/chrome/browser/chromeos/drive/resource_metadata_unittest.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 "chrome/browser/chromeos/drive/resource_metadata.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/message_loop.h"
+#include "base/sequenced_task_runner.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/task/sequenced_task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/file_cache.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/resource_metadata_storage.h"
 #include "chrome/browser/chromeos/drive/test_util.h"
 #include "chrome/browser/google_apis/test_util.h"
 #include "chrome/browser/google_apis/time_util.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
@@ skipping 1171 matching lines @@
       base::Bind(google_apis::test_util::CreateCopyResultCallback(&completed),
                  true));
   google_apis::test_util::RunBlockingPoolTask();
 
   EXPECT_EQ(7, count);
   EXPECT_TRUE(completed);
 }
 
 }  // namespace internal
 }  // namespace drive