chromeos: Remove unused NFC D-Bus client library

device/nfc/nfc_peer_chromeos.h

Index: device/nfc/nfc_peer_chromeos.h
diff --git a/device/nfc/nfc_peer_chromeos.h b/device/nfc/nfc_peer_chromeos.h
deleted file mode 100644
index 6099067de95980a81166912946b844d19bfb7839..0000000000000000000000000000000000000000
--- a/device/nfc/nfc_peer_chromeos.h
+++ /dev/null
@@ -1,81 +0,0 @@
-// 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.
-
-#ifndef DEVICE_NFC_NFC_PEER_CHROMEOS_H_
-#define DEVICE_NFC_NFC_PEER_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 "dbus/object_path.h"
-#include "device/nfc/nfc_ndef_record.h"
-#include "device/nfc/nfc_peer.h"
-
-namespace chromeos {
-
-// The NfcPeerChromeOS class implements NfcPeer for the Chrome OS platform.
-class NfcPeerChromeOS : public device::NfcPeer,
-                        public NfcRecordClient::Observer {
- public:
-  // NfcPeer overrides.
-  void AddObserver(device::NfcPeer::Observer* observer) override;
-  void RemoveObserver(device::NfcPeer::Observer* observer) override;
-  std::string GetIdentifier() const override;
-  const device::NfcNdefMessage& GetNdefMessage() const override;
-  void PushNdef(const device::NfcNdefMessage& message,
-                const base::Closure& callback,
-                const ErrorCallback& error_callback) override;
-  void StartHandover(HandoverType handover_type,
-                     const base::Closure& callback,
-                     const ErrorCallback& error_callback) override;
-
- private:
-  friend class NfcAdapterChromeOS;
-
-  // Mapping from D-Bus object paths to NfcNdefRecord objects.
-  typedef std::map<dbus::ObjectPath, device::NfcNdefRecord*> NdefRecordMap;
-
-  explicit NfcPeerChromeOS(const dbus::ObjectPath& object_path);
-  ~NfcPeerChromeOS() 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;
-
-  // Called by dbus:: on completion of the D-Bus method call to push an NDEF.
-  void OnPushNdef(const base::Closure& callback);
-  void OnPushNdefError(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);
-
-  // Object path of the peer that we are currently tracking.
-  dbus::ObjectPath object_path_;
-
-  // A map containing the NDEF records that were received from the peer.
-  NdefRecordMap records_;
-
-  // Message instance that contains pointers to all created records.
-  device::NfcNdefMessage message_;
-
-  // List of observers interested in event notifications from us.
-  base::ObserverList<device::NfcPeer::Observer> observers_;
-
-  // 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<NfcPeerChromeOS> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(NfcPeerChromeOS);
-};
-
-}  // namespace chromeos
-
-#endif  // DEVICE_NFC_NFC_PEER_CHROMEOS_H_