Move ResolutionEnqueuer.hasBeenResolved to Resolver

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/resolution.dart' show Resolution;
 import 'common/tasks.dart' show CompilerTask;
 import 'common/work.dart' show WorkItem;
 import 'common.dart';
 import 'common_elements.dart' show ElementEnvironment;
 import 'constants/values.dart';
 import 'compiler.dart' show Compiler;
 import 'options.dart';
-import 'elements/elements.dart' show MemberElement;
 import 'elements/entities.dart';
 import 'elements/resolution_types.dart' show ResolutionTypedefType;
 import 'elements/types.dart';
 import 'universe/world_builder.dart';
 import 'universe/use.dart'
     show
         ConstantUse,
         DynamicUse,
         StaticUse,
         StaticUseKind,
@@ skipping 383 matching lines @@
   }
 
   String toString() => 'Enqueuer($name)';
 
   Iterable<MemberEntity> get processedEntities => _processedEntities;
 
   ImpactUseCase get impactUse => IMPACT_USE;
 
   bool get isResolutionQueue => true;
 
-  /// Returns `true` if [element] has been processed by the resolution enqueuer.
-  // TODO(johnniwinther): Remove this together with the resolver.
-  bool hasBeenProcessed(MemberElement element) {
-    assert(invariant(element, element == element.analyzableElement.declaration,
-        message: "Unexpected element $element"));
-    return _processedEntities.contains(element);
-  }
-
   /// Registers [entity] as processed by the resolution enqueuer. Used only for
   /// testing.
   void registerProcessedElementInternal(MemberEntity entity) {
     _processedEntities.add(entity);
   }
 
   /// Create a [WorkItem] for [entity] and add it to the work list if it has not
   /// already been processed.
   void _addToWorkList(MemberEntity entity) {
     if (_processedEntities.contains(entity)) return;
@@ skipping 163 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);
 }