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

dart/pkg/dartdoc/lib/mirrors_util.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 mirrors_util;
+#library('mirrors.util');
 
 // TODO(rnystrom): Use "package:" URL (#4968).
-import 'mirrors.dart';
-import '../../../lib/compiler/implementation/util/characters.dart';
+#import('mirrors.dart');
+#import('../../../lib/compiler/implementation/util/characters.dart');
 
 //------------------------------------------------------------------------------
 // Utility functions for using the Mirror API
 //------------------------------------------------------------------------------
 
 /**
  * Returns an iterable over the type declarations directly inheriting from
  * the declaration of this type.
  */
 Iterable<InterfaceMirror> computeSubdeclarations(InterfaceMirror type) {
@@ skipping 106 matching lines @@
       type = object;
       object = null;
       return type;
     } else {
       return push(queue.removeFirst());
     }
   }
 
   bool hasNext() => !queue.isEmpty() || object !== null;
 }