chromeos: Remove unused NFC D-Bus client library

chromeos/dbus/fake_nfc_adapter_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_ADAPTER_CLIENT_H_
-#define CHROMEOS_DBUS_FAKE_NFC_ADAPTER_CLIENT_H_
-
-#include <memory>
-#include <string>
-
-#include "base/macros.h"
-#include "base/observer_list.h"
-#include "chromeos/chromeos_export.h"
-#include "chromeos/dbus/nfc_adapter_client.h"
-#include "chromeos/dbus/nfc_client_helpers.h"
-
-namespace chromeos {
-
-// FakeNfcAdapterClient simulates the behavior of the NFC adapter objects
-// and is used both in test cases in place of a mock and on the Linux desktop.
-class CHROMEOS_EXPORT FakeNfcAdapterClient : public NfcAdapterClient {
- public:
-  // The object paths for the adapters that are being emulated.
-  static const char kAdapterPath0[];
-  static const char kAdapterPath1[];
-
-  // Properties structure that provides fake behavior for D-Bus calls.
-  struct Properties : public NfcAdapterClient::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;
-  };
-
-  FakeNfcAdapterClient();
-  ~FakeNfcAdapterClient() override;
-
-  // NfcAdapterClient overrides.
-  void Init(dbus::Bus* bus) override;
-  void AddObserver(Observer* observer) override;
-  void RemoveObserver(Observer* observer) override;
-  std::vector<dbus::ObjectPath> GetAdapters() override;
-  Properties* GetProperties(const dbus::ObjectPath& object_path) override;
-  void StartPollLoop(
-      const dbus::ObjectPath& object_path,
-      const std::string& mode,
-      const base::Closure& callback,
-      const nfc_client_helpers::ErrorCallback& error_callback) override;
-  void StopPollLoop(
-      const dbus::ObjectPath& object_path,
-      const base::Closure& callback,
-      const nfc_client_helpers::ErrorCallback& error_callback) override;
-
-  // Sets the adapter as |present|. Used for testing.
-  void SetAdapterPresent(bool present);
-  void SetSecondAdapterPresent(bool present);
-
-  // Tells the FakeNfcAdapterClient to add the device or tag with the given path
-  // to its corresponding list for |kAdapterPath0|, if it is not already in
-  // the list and promptly triggers a property changed signal. This method will
-  // also fail, if the polling property of the adapter is false and will set it
-  // to false on success.
-  void SetDevice(const dbus::ObjectPath& device_path);
-  void SetTag(const dbus::ObjectPath& tag_path);
-
-  // Tells the FakeNfcAdapterClient to remove the device or tag with the given
-  // path from its corresponding list exposed for |kAdapterPath0|, if it
-  // is in the list. On success, this method will mark the polling property of
-  // the adapter to true.
-  void UnsetDevice(const dbus::ObjectPath& device_path);
-  void UnsetTag(const dbus::ObjectPath& tag_path);
-
-  // Sets a flag that determines whether FakeNfcAdapterClient should notify
-  // FakeNfcDeviceClient or FakeNfcTagClient to start a pairing simulation as a
-  // result of a call to StartPollLoop(). This is enabled by default. If
-  // enabled, the first call to StartPollLoop, will initiate a tag pairing
-  // simulation. The simulation will alternate between device and tag pairing on
-  // each successive call to StartPollLoop. This behavior, which is meant for
-  // feature development based on fake classes, can be disabled to allow manual
-  // control for unit tests.
-  void EnablePairingOnPoll(bool enabled);
-
- private:
-  // Property changed callback passed when we create Properties* structures.
-  void OnPropertyChanged(const dbus::ObjectPath& object_path,
-                         const std::string& property_name);
-
-  // List of observers interested in event notifications from us.
-  base::ObserverList<Observer> observers_;
-
-  // Fake properties that are returned for the emulated adapters.
-  std::unique_ptr<Properties> properties_;
-  std::unique_ptr<Properties> second_properties_;
-
-  // Whether the adapter and second adapter are present or not.
-  bool present_;
-  bool second_present_;
-
-  // If true, a pairing simulation is initiated on a successful call to
-  // StartPollLoop().
-  bool start_pairing_on_poll_;
-
-  // If true, device pairing will be simulated on the next call to
-  // StartPollLoop. Otherwise, tag pairing will be simulated.
-  bool device_pairing_;
-
-  DISALLOW_COPY_AND_ASSIGN(FakeNfcAdapterClient);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROMEOS_DBUS_FAKE_NFC_ADAPTER_CLIENT_H_