Remove ClientSession::EventHandler::OnSessionSequenceNumber()

remoting/host/client_session.h

 // Copyright (c) 2012 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 REMOTING_HOST_CLIENT_SESSION_H_
 #define REMOTING_HOST_CLIENT_SESSION_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 60 matching lines @@
     virtual void OnSessionClientCapabilities(ClientSession* client) = 0;
 
     // Called after authentication has failed. Must not tear down this
     // object. OnSessionClosed() is notified after this handler
     // returns.
     virtual void OnSessionAuthenticationFailed(ClientSession* client) = 0;
 
     // Called after connection has failed or after the client closed it.
     virtual void OnSessionClosed(ClientSession* client) = 0;
 
-    // Called to notify of each message's sequence number. The
-    // callback must not tear down this object.
-    virtual void OnSessionSequenceNumber(ClientSession* client,
-                                         int64 sequence_number) = 0;
-
     // Called on notification of a route change event, when a channel is
     // connected.
     virtual void OnSessionRouteChange(
         ClientSession* client,
         const std::string& channel_name,
         const protocol::TransportRoute& route) = 0;
 
    protected:
     virtual ~EventHandler() {}
   };
@@ skipping 169 matching lines @@
 
   // Host extension sessions, used to handle extension messages.
   HostExtensionSessionList extension_sessions_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSession);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CLIENT_SESSION_H_