Change the handling og the HTTP content length

runtime/bin/http_parser.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // Global constants.
 class _Const {
   // Bytes for "HTTP".
   static const HTTP = const [72, 84, 84, 80];
   // Bytes for "HTTP/1.".
   static const HTTP1DOT = const [72, 84, 84, 80, 47, 49, 46];
@@ skipping 410 matching lines @@
               } else {
                 // Start of new header field.
                 _headerField.addCharCode(_toLowerCase(byte));
                 _state = _State.HEADER_FIELD;
               }
             }
             break;
 
           case _State.HEADER_ENDING:
             _expect(byte, _CharCode.LF);
+            // If a request message has neither Content-Length nor
+            // Transfer-Encoding the message must not have a body (RFC
+            // 2616 section 4.3).
+            if (_messageType == _MessageType.REQUEST &&
+                _contentLength < 0 &&
+                _chunked == false) {
+              _contentLength = 0;
+            }
             if (_connectionUpgrade) {
               _state = _State.UPGRADED;
               _unparsedData =
                   buffer.getRange(index + 1, count - (index + 1 - offset));
               if (headersComplete != null) headersComplete();
             } else {
               if (headersComplete != null) headersComplete();
               if (_chunked) {
                 _state = _State.CHUNK_SIZE;
                 _remainingContent = 0;
               } else if (_contentLength == 0 ||
-                         (_messageType == _MessageType.REQUEST &&
-                          _contentLength == -1) ||
                          (_messageType == _MessageType.RESPONSE &&
                           (_noMessageBody || _responseToMethod == "HEAD"))) {
                 // If there is no message body get ready to process the
                 // next request.
                 _bodyEnd();
                 _reset();
               } else if (_contentLength > 0) {
                 _remainingContent = _contentLength;
                 _state = _State.BODY;
               } else {
@@ skipping 264 matching lines @@
   Function dataEnd;
   Function error;
 }
 
 
 class HttpParserException implements Exception {
   const HttpParserException([String this.message = ""]);
   String toString() => "HttpParserException: $message";
   final String message;
 }