chromeos: Remove unused NFC D-Bus client library

chromeos/dbus/fake_nfc_record_client.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.
-
-#ifndef CHROMEOS_DBUS_FAKE_NFC_RECORD_CLIENT_H_
-#define CHROMEOS_DBUS_FAKE_NFC_RECORD_CLIENT_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "base/values.h"
-#include "chromeos/chromeos_export.h"
-#include "chromeos/dbus/nfc_record_client.h"
-#include "dbus/object_path.h"
-
-namespace chromeos {
-
-// FakeNfcRecordClient simulates the behavior of the NFC record objects and is
-// used both in test cases in place of a mock and on the Linux desktop.
-class CHROMEOS_EXPORT FakeNfcRecordClient : public NfcRecordClient {
- public:
-  // Paths of the records exposed.
-  static const char kDeviceSmartPosterRecordPath[];
-  static const char kDeviceTextRecordPath[];
-  static const char kDeviceUriRecordPath[];
-  static const char kTagRecordPath[];
-
-  // Properties structure that provides fake behavior for D-Bus calls.
-  struct Properties : public NfcRecordClient::Properties {
-    explicit Properties(const PropertyChangedCallback& callback);
-    ~Properties() override;
-
-    // dbus::PropertySet overrides.
-    void Get(dbus::PropertyBase* property,
-             dbus::PropertySet::GetCallback callback) override;
-    void GetAll() override;
-    void Set(dbus::PropertyBase* property,
-             dbus::PropertySet::SetCallback callback) override;
-  };
-
-  FakeNfcRecordClient();
-  ~FakeNfcRecordClient() override;
-
-  // NfcTagClient overrides.
-  void Init(dbus::Bus* bus) override;
-  void AddObserver(Observer* observer) override;
-  void RemoveObserver(Observer* observer) override;
-  std::vector<dbus::ObjectPath> GetRecordsForDevice(
-      const dbus::ObjectPath& device_path) override;
-  std::vector<dbus::ObjectPath> GetRecordsForTag(
-      const dbus::ObjectPath& tag_path) override;
-  Properties* GetProperties(const dbus::ObjectPath& object_path) override;
-
-  // Adds or removes the fake record objects and notifies the observers.
-  void SetDeviceRecordsVisible(bool visible);
-  void SetTagRecordsVisible(bool visible);
-
-  // Modifies the contents of the tag record. |attributes| should be the
-  // same as the argument to NfcTagClient::Write. Each field will be directly
-  // assigned to the underlying record based on the type property, with
-  // no validity checking. Invalid tag content can be passed here to test
-  // the case where the remote application returns an incorrectly formatted
-  // record.
-  bool WriteTagRecord(const base::DictionaryValue& attributes);
-
- private:
-  // Property changed callback passed when we create Properties* structures.
-  void OnPropertyChanged(const dbus::ObjectPath& object_path,
-                         const std::string& property_name);
-
-  // Called by Properties* structures when GetAll is called.
-  void OnPropertiesReceived(const dbus::ObjectPath& object_path);
-
-  // If true, the records are currently visible.
-  bool device_records_visible_;
-  bool tag_records_visible_;
-
-  // List of observers interested in event notifications from us.
-  base::ObserverList<Observer> observers_;
-
-  // Fake properties that are returned for the fake records.
-  std::unique_ptr<Properties> device_smart_poster_record_properties_;
-  std::unique_ptr<Properties> device_text_record_properties_;
-  std::unique_ptr<Properties> device_uri_record_properties_;
-  std::unique_ptr<Properties> tag_record_properties_;
-
-  DISALLOW_COPY_AND_ASSIGN(FakeNfcRecordClient);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROMEOS_DBUS_FAKE_NFC_RECORD_CLIENT_H_