Enhance the DBus interface for peerd

chromeos/dbus/fake_peer_daemon_manager_client.h

Index: chromeos/dbus/fake_peer_daemon_manager_client.h
diff --git a/chromeos/dbus/fake_peer_daemon_manager_client.h b/chromeos/dbus/fake_peer_daemon_manager_client.h
index a4b16fae5c5b9fe32ee4a8bb6d459eb0df869815..c2c271786ed5e71b7af9fdd8fd14fcb600b3cff7 100644
--- a/chromeos/dbus/fake_peer_daemon_manager_client.h
+++ b/chromeos/dbus/fake_peer_daemon_manager_client.h
@@ -24,6 +24,14 @@ class FakePeerDaemonManagerClient : public PeerDaemonManagerClient {
   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;