chromeos: Remove unused NFC D-Bus client library

device/nfc/nfc_tag_technology_chromeos.h

Index: device/nfc/nfc_tag_technology_chromeos.h
diff --git a/device/nfc/nfc_tag_technology_chromeos.h b/device/nfc/nfc_tag_technology_chromeos.h
deleted file mode 100644
index 3e49e9e9a26a077164bc9415c930769424ab2019..0000000000000000000000000000000000000000
--- a/device/nfc/nfc_tag_technology_chromeos.h
+++ /dev/null
@@ -1,86 +0,0 @@
-// 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.
-
-#ifndef DEVICE_NFC_NFC_TAG_TECHNOLOGY_CHROMEOS_H_
-#define DEVICE_NFC_NFC_TAG_TECHNOLOGY_CHROMEOS_H_
-
-#include <map>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "chromeos/dbus/nfc_record_client.h"
-#include "device/nfc/nfc_tag_technology.h"
-
-namespace chromeos {
-
-class NfcTagChromeOS;
-
-// The NfcNdefTagTechnologyChromeOS class implements
-// device::NfcNdefTagTechnology for the Chrome OS platform. The lifetime of an
-// instance of this class must be tied to an instance of NfcTagChromeOS.
-// Instances of this class must never outlast the owning NfcTagChromeOS
-// instance.
-class NfcNdefTagTechnologyChromeOS : public device::NfcNdefTagTechnology,
-                                     public NfcRecordClient::Observer {
- public:
-  ~NfcNdefTagTechnologyChromeOS() override;
-
-  // device::NfcNdefTagTechnology overrides.
-  void AddObserver(device::NfcNdefTagTechnology::Observer* observer) override;
-  void RemoveObserver(
-      device::NfcNdefTagTechnology::Observer* observer) override;
-  const device::NfcNdefMessage& GetNdefMessage() const override;
-  void WriteNdef(const device::NfcNdefMessage& message,
-                 const base::Closure& callback,
-                 const ErrorCallback& error_callback) override;
-
-  // NfcRecordClient::Observer overrides.
-  void RecordAdded(const dbus::ObjectPath& object_path) override;
-  void RecordRemoved(const dbus::ObjectPath& object_path) override;
-  void RecordPropertiesReceived(const dbus::ObjectPath& object_path) override;
-
- private:
-  friend class NfcTagChromeOS;
-
-  // Mapping from D-Bus object paths to NfcNdefRecord objects.
-  typedef std::map<dbus::ObjectPath, device::NfcNdefRecord*> NdefRecordMap;
-
-  explicit NfcNdefTagTechnologyChromeOS(NfcTagChromeOS* tag);
-
-  // Called by dbus:: on completion of the D-Bus method call to write an NDEF.
-  void OnWriteNdefMessage(const base::Closure& callback);
-  void OnWriteNdefMessageError(const ErrorCallback& error_callback,
-                               const std::string& error_name,
-                               const std::string& error_message);
-
-  // Creates a record object for the record with object path |object_path| and
-  // notifies the observers, if a record object did not already exist for it.
-  void AddRecord(const dbus::ObjectPath& object_path);
-
-  // A map containing the NDEF records that were received from the tag.
-  NdefRecordMap records_;
-
-  // Message instance that contains pointers to all created records that are
-  // in |records_|. This is mainly used as the cached return value for
-  // GetNdefMessage().
-  device::NfcNdefMessage message_;
-
-  // List of observers interested in event notifications from us.
-  base::ObserverList<device::NfcNdefTagTechnology::Observer> observers_;
-
-  // D-Bus object path of the remote tag or device that this object operates
-  // on.
-  dbus::ObjectPath object_path_;
-
-  // Note: This should remain the last member so it'll be destroyed and
-  // invalidate its weak pointers before any other members are destroyed.
-  base::WeakPtrFactory<NfcNdefTagTechnologyChromeOS> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(NfcNdefTagTechnologyChromeOS);
-};
-
-}  // namespace chromeos
-
-#endif  // DEVICE_NFC_NFC_TAG_TECHNOLOGY_CHROMEOS_H_