Cleanup run on DartDoc from Dart Editor.

pkg/dartdoc/lib/src/dartdoc/comment_map.dart

Index: pkg/dartdoc/lib/src/dartdoc/comment_map.dart
diff --git a/pkg/dartdoc/lib/src/dartdoc/comment_map.dart b/pkg/dartdoc/lib/src/dartdoc/comment_map.dart
index 27dd1dd1f2b5dec99ceb7d20cb0ce5cd5ea8b900..25240d49bbceb71e7de578b585bbd724c132ea1b 100644
--- a/pkg/dartdoc/lib/src/dartdoc/comment_map.dart
+++ b/pkg/dartdoc/lib/src/dartdoc/comment_map.dart
@@ -2,6 +2,8 @@
 // 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.
 
+part of dartdoc;
+
 /**
  * The cached lookup-table to associate doc comments with spans. The outer map
  * is from filenames to doc comments in that file. The inner map maps from the