chromeos: Remove unused peerd D-Bus client libraries

chromeos/dbus/fake_peer_daemon_manager_client.h

-// 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 CHROMEOS_DBUS_FAKE_PEER_DAEMON_MANAGER_CLIENT_H_
-#define CHROMEOS_DBUS_FAKE_PEER_DAEMON_MANAGER_CLIENT_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/macros.h"
-#include "chromeos/dbus/peer_daemon_manager_client.h"
-
-namespace chromeos {
-
-// A fake implementation of PeerDaemonManagerClient. Invokes callbacks
-// immediately.
-class FakePeerDaemonManagerClient : public PeerDaemonManagerClient {
- public:
-  FakePeerDaemonManagerClient();
-  ~FakePeerDaemonManagerClient() override;
-
-  // DBusClient overrides:
-  void Init(dbus::Bus* bus) override;
-
-  // PeerDaemonManagerClient overrides:
-  void AddObserver(Observer* observer) override;
-  void RemoveObserver(Observer* observer) override;
-  std::vector<dbus::ObjectPath> GetPeers() override;
-  std::vector<dbus::ObjectPath> GetServices() override;
-  PeerProperties* GetPeerProperties(
-      const dbus::ObjectPath& object_path) override;
-  ServiceProperties* GetServiceProperties(
-      const dbus::ObjectPath& object_path) override;
-  void StartMonitoring(const std::vector<std::string>& requested_technologies,
-                       const base::DictionaryValue& options,
-                       const StringDBusMethodCallback& callback) override;
-  void StopMonitoring(const std::string& monitoring_token,
-                      const VoidDBusMethodCallback& callback) override;
-  void ExposeService(const std::string& service_id,
-                     const std::map<std::string, std::string>& service_info,
-                     const base::DictionaryValue& options,
-                     const StringDBusMethodCallback& callback) override;
-  void RemoveExposedService(const std::string& service_token,
-                            const VoidDBusMethodCallback& callback) override;
-  void Ping(const StringDBusMethodCallback& callback) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(FakePeerDaemonManagerClient);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROMEOS_DBUS_FAKE_PEER_DAEMON_MANAGER_CLIENT_H_