HttpStreamParser: Don't reuse sockets which receive unparsed data.

net/http/http_stream_parser.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_HTTP_HTTP_STREAM_PARSER_H_
 #define NET_HTTP_HTTP_STREAM_PARSER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 205 matching lines @@
   // -1 if not found yet.
   int response_header_start_offset_;
 
   // The amount of received data.  If connection is reused then intermediate
   // value may be bigger than final.
   int64_t received_bytes_;
 
   // The amount of sent data.
   int64_t sent_bytes_;
 
-  // The parsed response headers.  Owned by the caller of SendRequest.  This
+  // The parsed response headers.  Owned by the caller of SendRequest.   This
   // cannot be safely accessed after reading the final set of headers, as the
   // caller of SendRequest may have been destroyed - this happens in the case an
   // HttpResponseBodyDrainer is used.
   HttpResponseInfo* response_;
 
   // Indicates the content length.  If this value is less than zero
   // (and chunked_decoder_ is null), then we must read until the server
   // closes the connection.
   int64_t response_body_length_;
 
+  // True if reading a keep-alive response. False if not, or if don't yet know.
+  bool response_is_keep_alive_;
+
   // Keep track of the number of response body bytes read so far.
   int64_t response_body_read_;
 
   // Helper if the data is chunked.
   std::unique_ptr<HttpChunkedDecoder> chunked_decoder_;
 
   // Where the caller wants the body data.
   scoped_refptr<IOBuffer> user_read_buf_;
   int user_read_buf_len_;
 
@@ skipping 26 matching lines @@
   int upload_error_;
 
   base::WeakPtrFactory<HttpStreamParser> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpStreamParser);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_STREAM_PARSER_H_