Implement type arguments in redirecting factories.

pkg/front_end/lib/src/fasta/kernel/kernel_named_type_builder.dart

Index: pkg/front_end/lib/src/fasta/kernel/kernel_named_type_builder.dart
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_named_type_builder.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_named_type_builder.dart
index 702294d0bdde348e0784feb5c206677b946f38ce..ad84db4d5f8460444d70b26de4aefc0e8ec3bcf4 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_named_type_builder.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_named_type_builder.dart
@@ -15,6 +15,7 @@ import '../messages.dart'
 
 import 'kernel_builder.dart'
     show
+        ConstructorReferenceBuilder,
         KernelClassBuilder,
         KernelInvalidTypeBuilder,
         KernelTypeBuilder,
@@ -30,6 +31,13 @@ class KernelNamedTypeBuilder
       int charOffset, Uri fileUri)
       : super(name, arguments, charOffset, fileUri);
 
+  factory KernelNamedTypeBuilder.fromConstructorReference(
+      ConstructorReferenceBuilder reference) {
+    return new KernelNamedTypeBuilder(reference.classBuilder.name,
+        reference.typeArguments, reference.charOffset, reference.fileUri)
+      ..bind(reference.classBuilder);
+  }
+
   KernelInvalidTypeBuilder buildInvalidType(String name) {
     // TODO(ahe): Record error instead of printing.
     warning(templateTypeNotFound.withArguments(name), charOffset, fileUri);