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dart/pkg/dart2js_incremental/lib/library_updater.dart

 // Copyright (c) 2014, 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 dart2js_incremental.library_updater;
 
 import 'dart:async' show
     Future;
 
 import 'dart:convert' show
     UTF8;
 
 import 'package:compiler/compiler.dart' as api;
 
 import 'package:compiler/src/dart2jslib.dart' show
     Compiler,
     EnqueueTask,
+    MessageKind,
     Script;
 
 import 'package:compiler/src/elements/elements.dart' show
     ClassElement,
     CompilationUnitElement,
     Element,
     FunctionElement,
     LibraryElement,
     STATE_NOT_STARTED,
     ScopeContainerElement;
@@ skipping 1446 matching lines @@
   List<String> computeFields(ClassElement cls) {
     // TODO(ahe): Rewrite for new emitter.
     ClassBuilder builder = new ClassBuilder(cls, namer);
     classEmitter.emitFields(cls, builder);
     return builder.fields;
   }
 }
 
 // TODO(ahe): Remove this method.
 NO_WARN(x) => x;