Move ResolutionEnqueuer.hasBeenResolved to Resolver

pkg/compiler/lib/src/enqueue.dart

Index: pkg/compiler/lib/src/enqueue.dart
diff --git a/pkg/compiler/lib/src/enqueue.dart b/pkg/compiler/lib/src/enqueue.dart
index 18740a1f71d9d636104cf52a6ace577c260c574f..1861ba6cf44a40d9b30846e6739638b8be84c1bd 100644
--- a/pkg/compiler/lib/src/enqueue.dart
+++ b/pkg/compiler/lib/src/enqueue.dart
@@ -6,7 +6,6 @@ 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';
@@ -14,7 +13,6 @@ 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';
@@ -418,14 +416,6 @@ class ResolutionEnqueuer extends EnqueuerImpl {
 
   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) {