chromeos: Remove unused NFC D-Bus client library

device/nfc/nfc_ndef_record_utils_chromeos.h

-// 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 "base/values.h"
-#include "chromeos/dbus/nfc_record_client.h"
-
-#ifndef DEVICE_NFC_CHROMEOS_NDEF_RECORD_UTILS_CHROMEOS_H_
-#define DEVICE_NFC_CHROMEOS_NDEF_RECORD_UTILS_CHROMEOS_H_
-
-namespace device {
-class NfcNdefRecord;
-}  // namespace device
-
-namespace chromeos {
-namespace nfc_ndef_record_utils {
-
-// Converts the NfcNdefRecord |record| to a dictionary that can be passed to
-// NfcDeviceClient::Push and NfcTagClient::Write and stores it in |out|.
-// Returns false, if an error occurs during conversion.
-bool NfcNdefRecordToDBusAttributes(
-    const device::NfcNdefRecord* record,
-    base::DictionaryValue* out);
-
-// Converts an NDEF record D-Bus properties structure to an NfcNdefRecord
-// instance by populating the instance passed in |out|. |out| must not be NULL
-// and must not be already populated. Returns false, if an error occurs during
-// conversion.
-bool RecordPropertiesToNfcNdefRecord(
-    const NfcRecordClient::Properties* properties,
-    device::NfcNdefRecord* out);
-
-}  // namespace nfc_ndef_record_utils
-}  // namespace chromeos
-
-#endif  // DEVICE_NFC_CHROMEOS_NDEF_RECORD_UTILS_CHROMEOS_H_