[mojo-edk] Prevent closed port from accepting new messages

mojo/edk/system/ports/node.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_PORTS_NODE_H_
 #define MOJO_EDK_SYSTEM_PORTS_NODE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 136 matching lines @@
   int OnUserMessage(ScopedMessage message);
   int OnPortAccepted(const PortName& port_name);
   int OnObserveProxy(const PortName& port_name,
                      const ObserveProxyEventData& event);
   int OnObserveProxyAck(const PortName& port_name, uint64_t last_sequence_num);
   int OnObserveClosure(const PortName& port_name, uint64_t last_sequence_num);
   int OnMergePort(const PortName& port_name, const MergePortEventData& event);
 
   int AddPortWithName(const PortName& port_name,
                       const scoped_refptr<Port>& port);
-  void ErasePort(const PortName& port_name);
   void ErasePort_Locked(const PortName& port_name);
   scoped_refptr<Port> GetPort(const PortName& port_name);
   scoped_refptr<Port> GetPort_Locked(const PortName& port_name);
 
   int SendMessageInternal(const PortRef& port_ref, ScopedMessage* message);
   int MergePorts_Locked(const PortRef& port0_ref, const PortRef& port1_ref);
   void WillSendPort_Locked(Port* port,
                            const NodeName& to_node_name,
                            PortName* port_name,
                            PortDescriptor* port_descriptor);
@@ skipping 36 matching lines @@
   std::unordered_map<PortName, scoped_refptr<Port>> ports_;
 
   DISALLOW_COPY_AND_ASSIGN(Node);
 };
 
 }  // namespace ports
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_PORTS_NODE_H_