Revert "Switch libraries to using new tags."

sdk/lib/uri/uri.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.
 
-library dart.uri;
+#library('dart:uri');
 
-import 'dart:math';
-import 'dart:utf';
+#import('dart:math');
+#import('dart:utf');
 
-part 'encode_decode.dart';
-part 'helpers.dart';
+#source('encode_decode.dart');
+#source('helpers.dart');
 
 /**
  * A parsed URI, inspired by Closure's [URI][] class. Implements [RFC-3986][].
  * [uri]: http://closure-library.googlecode.com/svn/docs/class_goog_Uri.html
  * [RFC-3986]: http://tools.ietf.org/html/rfc3986#section-4.3)
  */
 class Uri {
   final String scheme;
   final String userInfo;
   final String domain;
@@ skipping 208 matching lines @@
   }
 
   static void _addIfNonEmpty(StringBuffer sb, String test,
                              String first, String second) {
     if ("" != test) {
       sb.add(first == null ? "null" : first);
       sb.add(second == null ? "null" : second);
     }
   }
 }