Get rid of all the library tags.

lib/src/media_type.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.media_type;
-
 import 'package:collection/collection.dart';
 import 'package:string_scanner/string_scanner.dart';
 
 import 'case_insensitive_map.dart';
 import 'scan.dart';
 import 'utils.dart';
 
 /// A regular expression matching a character that needs to be backslash-escaped
 /// in a quoted string.
 final _escapedChar = new RegExp(r'["\x00-\x1F\x7F]');
@@ skipping 126 matching lines @@
               value.replaceAllMapped(_escapedChar, (match) => "\\" + match[0]))
           ..write('"');
       } else {
         buffer.write(value);
       }
     });
 
     return buffer.toString();
   }
 }