http_parser: update unittest dependency, urls in pubspec and codereview

lib/src/web_socket.dart

 // Copyright (c) 2014, 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.
 
 library http_parser.web_socket;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:math';
 import 'dart:typed_data';
@@ skipping 574 matching lines @@
       headerSize += 8;
     } else if (dataLength > 125) {
       headerSize += 2;
     }
     Uint8List header = new Uint8List(headerSize);
     int index = 0;
     // Set FIN and opcode.
     header[index++] = 0x80 | opcode;
     // Determine size and position of length field.
     int lengthBytes = 1;
-    int firstLengthByte = 1;
     if (dataLength > 65535) {
       header[index++] = 127;
       lengthBytes = 8;
     } else if (dataLength > 125) {
       header[index++] = 126;
       lengthBytes = 2;
     }
     // Write the length in network byte order into the header.
     for (int i = 0; i < lengthBytes; i++) {
       header[index++] = dataLength >> (((lengthBytes - 1) - i) * 8) & 0xFF;
@@ skipping 321 matching lines @@
             code == _WebSocketStatus.RESERVED_1004 ||
             code == _WebSocketStatus.NO_STATUS_RECEIVED ||
             code == _WebSocketStatus.ABNORMAL_CLOSURE ||
             (code > _WebSocketStatus.INTERNAL_SERVER_ERROR &&
              code < _WebSocketStatus.RESERVED_1015) ||
             (code >= _WebSocketStatus.RESERVED_1015 &&
              code < 3000));
   }
 }