- Change "static final" to "static const" in the

utils/pub/repo_source.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('dartlang_source');
 
 #import('dart:io');
 #import('dart:json');
 #import('dart:uri');
 #import('io.dart');
@@ skipping 13 matching lines @@
 
   final bool shouldCache = true;
 
   // TODO(nweiz): update this comment once pub.dartlang.org is online
   /**
    * The URL of the default package repository.
    *
    * At time of writing, pub.dartlang.org is not yet online, but it should be
    * soon.
    */
-  static final String defaultUrl = "http://pub.dartlang.org";
+  static const String defaultUrl = "http://pub.dartlang.org";
 
   RepoSource();
 
   /**
    * Downloads a list of all versions of a package that have been uploaded to
    * pub.dartlang.org.
    */
   Future<List<Version>> getVersions(description) {
     var parsed = _parseDescription(description);
     var fullUrl = "${parsed.last}/packages/${parsed.first}.json";
@@ skipping 86 matching lines @@
 
     var name = description["name"];
     if (name is! String) {
       throw new FormatException("The 'name' key must have a string value.");
     }
 
     var url = description.containsKey("url") ? description["url"] : defaultUrl;
     return new Pair<String, String>(name, url);
   }
 }