Fix WebSocket crash bug.

net/socket_stream/socket_stream.h

 // 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.
 
 #ifndef NET_SOCKET_STREAM_SOCKET_STREAM_H_
 #define NET_SOCKET_STREAM_SOCKET_STREAM_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 202 matching lines @@
   };
 
   typedef std::deque< scoped_refptr<IOBufferWithSize> > PendingDataQueue;
 
   friend class WebSocketThrottleTest;
 
   // Copies the given addrinfo list in |addresses_|.
   // Used for WebSocketThrottleTest.
   void CopyAddrInfo(struct addrinfo* head);
 
+  void DoClose();
+
   // Finishes the job.
   // Calls OnError and OnClose of delegate, and no more
   // notifications will be sent to delegate.
   void Finish(int result);
 
   int DidEstablishConnection();
   int DidReceiveData(int result);
   int DidSendData(int result);
 
   void OnIOCompleted(int result);
@@ skipping 81 matching lines @@
   // |write_buf_| holds requested data and |current_write_buf_| is used
   // for Write operation, that is, |current_write_buf_| is
   // |write_buf_| + |write_buf_offset_|.
   scoped_refptr<IOBuffer> write_buf_;
   scoped_refptr<DrainableIOBuffer> current_write_buf_;
   int write_buf_offset_;
   int write_buf_size_;
   PendingDataQueue pending_write_bufs_;
 
   bool closing_;
+  bool server_closed_;
 
   scoped_ptr<SocketStreamMetrics> metrics_;
 
   DISALLOW_COPY_AND_ASSIGN(SocketStream);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_STREAM_SOCKET_STREAM_H_