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

dart/pkg/dartdoc/test/dartdoc_test.dart

Index: dart/pkg/dartdoc/test/dartdoc_test.dart
diff --git a/dart/pkg/dartdoc/test/dartdoc_test.dart b/dart/pkg/dartdoc/test/dartdoc_test.dart
index 68c264f324a8ba5ddd815e6dc67e4a16297ea632..9b176ee933b7b9519a1a2904f309205532bb0486 100644
--- a/dart/pkg/dartdoc/test/dartdoc_test.dart
+++ b/dart/pkg/dartdoc/test/dartdoc_test.dart
@@ -3,14 +3,14 @@
 // BSD-style license that can be found in the LICENSE file.
 
 /// Unit tests for doc.
-library dartdoc_tests;
+#library('dartdoc_tests');
 
 // TODO(rnystrom): Use "package:" URL (#4968).
-import '../lib/dartdoc.dart' as dd;
-import '../lib/markdown.dart' as md;
+#import('../lib/dartdoc.dart', prefix: 'dd');
+#import('../lib/markdown.dart', prefix: 'md');
 
 // TODO(rnystrom): Better path to unittest.
-import '../../unittest/unittest.dart';
+#import('../../unittest/unittest.dart');
 
 main() {
   group('countOccurrences', () {