chromeos: Remove unused AP manager D-Bus client library

chromeos/dbus/fake_ap_manager_client.h

-// Copyright 2015 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_AP_MANAGER_CLIENT_H_
-#define CHROMEOS_DBUS_FAKE_AP_MANAGER_CLIENT_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "chromeos/dbus/ap_manager_client.h"
-
-namespace chromeos {
-
-// A fake implementation of ApManagerClient. Invokes callbacks
-// immediately.
-class FakeApManagerClient : public ApManagerClient {
- public:
-  FakeApManagerClient();
-  ~FakeApManagerClient() override;
-
-  // DBusClient overrides:
-  void Init(dbus::Bus* bus) override;
-
-  // ApManagerClient overrides:
-  void AddObserver(Observer* observer) override;
-  void RemoveObserver(Observer* observer) override;
-  void CreateService(const ObjectPathDBusMethodCallback& callback) override;
-  void RemoveService(const dbus::ObjectPath& object_path,
-                     const VoidDBusMethodCallback& callback) override;
-  void StartService(const dbus::ObjectPath& object_path,
-                    const VoidDBusMethodCallback& callback) override;
-  void StopService(const dbus::ObjectPath& object_path,
-                   const VoidDBusMethodCallback& callback) override;
-  ConfigProperties* GetConfigProperties(
-      const dbus::ObjectPath& object_path) override;
-  const DeviceProperties* GetDeviceProperties(
-      const dbus::ObjectPath& object_path) override;
-  const ServiceProperties* GetServiceProperties(
-      const dbus::ObjectPath& object_path) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(FakeApManagerClient);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROMEOS_DBUS_FAKE_AP_MANAGER_CLIENT_H_