Handle dart:html in kernel_impact

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/names.dart' show Identifiers;
 import 'common/resolution.dart' show Resolution;
@@ skipping 139 matching lines @@
 
   ResolutionEnqueuer(Compiler compiler, this.strategy)
       : this.name = 'resolution enqueuer',
         this.compiler = compiler,
         processedElements = new Set<AstElement>(),
         queue = new Queue<ResolutionWorkItem>(),
         deferredQueue = new Queue<_DeferredAction>() {
     impactVisitor = new _EnqueuerImpactVisitor(this);
   }
 
-  // TODO(johnniwinther): Move this to [ResolutionEnqueuer].
   Resolution get resolution => compiler.resolution;
 
   ResolutionWorldBuilder get universe => _universe;
 
   bool get queueIsEmpty => queue.isEmpty;
 
   QueueFilter get filter => compiler.enqueuerFilter;
 
   DiagnosticReporter get reporter => compiler.reporter;
 
@@ skipping 744 matching lines @@
 }
 
 typedef void _DeferredActionFunction();
 
 class _DeferredAction {
   final Element element;
   final _DeferredActionFunction action;
 
   _DeferredAction(this.element, this.action);
 }