Added DISALLOW_COPY_AND_ASSIGN to disable copy/assign.

net/tools/quic/quic_spdy_client_stream.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 NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_
 #define NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_
 
 #include <sys/types.h>
 #include <string>
 
@@ skipping 58 matching lines @@
  private:
   int ParseResponseHeaders();
 
   BalsaHeaders headers_;
   std::string data_;
 
   scoped_refptr<GrowableIOBuffer> read_buf_;
   bool response_headers_received_;
   size_t header_bytes_read_;
   size_t header_bytes_written_;
+
+  DISALLOW_COPY_AND_ASSIGN(QuicSpdyClientStream);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_