Revert 121055 - Remove BeginSessionDeprecated.

remoting/protocol/host_control_dispatcher.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 #include "remoting/protocol/host_control_dispatcher.h"
 
 #include "base/message_loop_proxy.h"
 #include "net/socket/stream_socket.h"
 #include "remoting/base/constants.h"
 #include "remoting/proto/control.pb.h"
 #include "remoting/proto/internal.pb.h"
@@ skipping 11 matching lines @@
 }
 
 HostControlDispatcher::~HostControlDispatcher() {
   writer_->Close();
 }
 
 void HostControlDispatcher::OnInitialized() {
   reader_.Init(channel(), base::Bind(
       &HostControlDispatcher::OnMessageReceived, base::Unretained(this)));
   writer_->Init(channel(), BufferedSocketWriter::WriteFailedCallback());
+
+  // Write legacy BeginSession message.
+  // TODO(sergeyu): Remove it. See http://crbug.com/104670 .
+  protocol::ControlMessage message;
+  message.mutable_begin_session_deprecated()->mutable_login_status()->
+      set_success(true);
+  writer_->Write(SerializeAndFrameMessage(message), base::Closure());
 }
 
 void HostControlDispatcher::OnMessageReceived(
     ControlMessage* message, const base::Closure& done_task) {
   DCHECK(host_stub_);
   LOG(WARNING) << "Unknown control message received.";
   done_task.Run();
 }
 
 }  // namespace protocol
 }  // namespace remoting