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

dart/samples/ui_lib/base/base.dart

Index: dart/samples/ui_lib/base/base.dart
diff --git a/dart/samples/ui_lib/base/base.dart b/dart/samples/ui_lib/base/base.dart
index 245a68b3d7b757241237f5a527465c839018d322..fd88cb6bb076834a8f026a35dbd4b096c8e2ccf9 100644
--- a/dart/samples/ui_lib/base/base.dart
+++ b/dart/samples/ui_lib/base/base.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 base;
-import 'dart:html';
-import 'dart:math';
-import '../observable/observable.dart';
-import '../util/utilslib.dart';
+#library('base');
+#import('dart:html');
+#import('dart:math');
+#import('../observable/observable.dart');
+#import('../util/utilslib.dart');
 
-part 'AnimationScheduler.dart';
-part 'Device.dart';
-part 'DomWrapper.dart';
-part 'Env.dart';
-part 'Size.dart';
+#source('AnimationScheduler.dart');
+#source('Device.dart');
+#source('DomWrapper.dart');
+#source('Env.dart');
+#source('Size.dart');