Close all writers before JingleSession is destroyed.

remoting/protocol/input_sender.cc

 // Copyright (c) 2010 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.
 
 // This stub is thread safe because of the use of BufferedSocketWriter.
 // BufferedSocketWriter buffers messages and send them on them right thread.
 
 #include "remoting/protocol/input_sender.h"
 
 #include "base/task.h"
@@ skipping 22 matching lines @@
   buffered_writer_->Write(SerializeAndFrameMessage(message), done);
 }
 
 void InputSender::InjectMouseEvent(const MouseEvent* event, Task* done) {
   EventMessage message;
   message.set_sequence_number(base::Time::Now().ToInternalValue());
   message.mutable_mouse_event()->CopyFrom(*event);
   buffered_writer_->Write(SerializeAndFrameMessage(message), done);
 }
 
+void InputSender::Close() {
+  buffered_writer_->Close();
+}
+
 }  // namespace protocol
 }  // namespace remoting