Fix include path for moved thread_task_runner_handle.h header in chrome/

chrome/browser/chromeos/file_system_provider/fileapi/buffering_file_stream_reader_unittest.cc

 // Copyright 2014 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/file_system_provider/fileapi/buffering_file_stream_reader.h"
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
 namespace file_system_provider {
 namespace {
 
@@ skipping 320 matching lines @@
       reader.GetLength(base::Bind(&LogValue<int64_t>, &get_length_log));
   base::RunLoop().RunUntilIdle();
 
   EXPECT_EQ(net::ERR_IO_PENDING, result);
   ASSERT_EQ(1u, get_length_log.size());
   EXPECT_EQ(kFileSize, get_length_log[0]);
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos