Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/samples/ui_lib/util/utilslib.dart

Index: dart/samples/ui_lib/util/utilslib.dart
diff --git a/dart/samples/ui_lib/util/utilslib.dart b/dart/samples/ui_lib/util/utilslib.dart
index 2fd213fb6d752e23a0d019d64e6569afe12c5868..7f700a94dba161796f92836339bcdfa106b58d75 100644
--- a/dart/samples/ui_lib/util/utilslib.dart
+++ b/dart/samples/ui_lib/util/utilslib.dart
@@ -2,14 +2,14 @@
 // 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 utilslib;
+#library('utilslib');
 
-import 'dart:math' as Math;
+#import('dart:math', prefix: 'Math');
 
-import '../observable/observable.dart';
-import 'dart:uri' as uri;
+#import('../observable/observable.dart');
+#import('dart:uri', prefix: 'uri');
 
-part 'CollectionUtils.dart';
-part 'DateUtils.dart';
-part 'StringUtils.dart';
-part 'Uri.dart';
+#source('CollectionUtils.dart');
+#source('DateUtils.dart');
+#source('StringUtils.dart');
+#source('Uri.dart');