Get rid of all the library tags.

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 'package:crypto/crypto.dart';
 
 import 'copy/web_socket_impl.dart';
 
 /// An implementation of the WebSocket protocol that's not specific to "dart:io"
 /// or to any particular HTTP API.
 ///
 /// Because this is HTTP-API-agnostic, it doesn't handle the initial [WebSocket
@@ skipping 88 matching lines @@
 /// An exception thrown by [CompatibleWebSocket].
 class CompatibleWebSocketException implements Exception {
   final String message;
 
   CompatibleWebSocketException([this.message]);
 
   String toString() => message == null
       ? "CompatibleWebSocketException" :
         "CompatibleWebSocketException: $message";
 }