cleanup visitInheritedTypes signature

pkg/analysis_server/lib/src/services/completion/imported_reference_contributor.dart

Index: pkg/analysis_server/lib/src/services/completion/imported_reference_contributor.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/imported_reference_contributor.dart b/pkg/analysis_server/lib/src/services/completion/imported_reference_contributor.dart
index 5608f8f9bc959c40460f1d992983ae7c17b8563b..0fced1ded4dd0e1d1d98e3bf2d058ff00266f8d7 100644
--- a/pkg/analysis_server/lib/src/services/completion/imported_reference_contributor.dart
+++ b/pkg/analysis_server/lib/src/services/completion/imported_reference_contributor.dart
@@ -191,9 +191,8 @@ class _ImportedSuggestionBuilder extends ElementSuggestionBuilder
       // Build a list of inherited types that are imported
       // and include any inherited imported members
       List<String> inheritedTypes = new List<String>();
-      visitInheritedTypes(classDecl, (_) {
-        // local declarations are handled by the local reference contributor
-      }, (String typeName) {
+      // local declarations are handled by the local reference contributor
+      visitInheritedTypes(classDecl, importedTypeName: (String typeName) {
         inheritedTypes.add(typeName);
       });
       HashSet<String> visited = new HashSet<String>();