[mojo-edk] Revert port reservation timeout behavior

mojo/edk/system/node_controller.h

 // Copyright 2016 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 MOJO_EDK_SYSTEM_NODE_CONTROLLER_H_
 #define MOJO_EDK_SYSTEM_NODE_CONTROLLER_H_
 
 #include <memory>
 #include <queue>
 #include <unordered_map>
@@ skipping 119 matching lines @@
   scoped_refptr<NodeChannel> GetBrokerChannel();
 
   void AddPeer(const ports::NodeName& name,
                scoped_refptr<NodeChannel> channel,
                bool start_channel);
   void DropPeer(const ports::NodeName& name);
   void SendPeerMessage(const ports::NodeName& name,
                        ports::ScopedMessage message);
   void AcceptIncomingMessages();
   void DropAllPeers();
-  void CancelReservation(const std::string& token);
 
   // ports::NodeDelegate:
   void GenerateRandomPortName(ports::PortName* port_name) override;
   void AllocMessage(size_t num_header_bytes,
                     ports::ScopedMessage* message) override;
   void ForwardMessage(const ports::NodeName& node,
                       ports::ScopedMessage message) override;
   void PortStatusChanged(const ports::PortRef& port) override;
 
   // NodeChannel::Delegate:
@@ skipping 131 matching lines @@
   std::unique_ptr<MachPortRelay> mach_port_relay_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(NodeController);
 };
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_NODE_CONTROLLER_H_