Late night strong mode cleaning.

pkg/compiler/lib/src/enqueue.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 dart2js.enqueue;
 
 import 'dart:collection' show Queue;
 
 import 'common/tasks.dart' show CompilerTask;
 import 'common/work.dart' show WorkItem;
@@ skipping 378 matching lines @@
   void forEach(void f(WorkItem work)) {
     do {
       while (_queue.isNotEmpty) {
         // TODO(johnniwinther): Find an optimal process order.
         WorkItem work = _queue.removeLast();
         if (!_processedEntities.contains(work.element)) {
           strategy.processWorkItem(f, work);
           _processedEntities.add(work.element);
         }
       }
-      List recents = _recentClasses.toList(growable: false);
+      List<ClassEntity> recents = _recentClasses.toList(growable: false);
       _recentClasses.clear();
       _recentConstants = false;
       if (!_onQueueEmpty(recents)) {
         _recentClasses.addAll(recents);
       }
     } while (_queue.isNotEmpty ||
         _recentClasses.isNotEmpty ||
         _deferredQueue.isNotEmpty ||
         _recentConstants);
   }
@@ skipping 187 matching lines @@
   final Entity element;
   final DeferredActionFunction action;
 
   DeferredAction(this.element, this.action);
 }
 
 /// Interface for creating work items for enqueued member entities.
 abstract class WorkItemBuilder {
   WorkItem createWorkItem(MemberEntity entity);
 }