Clean up type inference methods.

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

Index: pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart
index 6dc71000f3f7d2941f39f2b3e79146ce5b414e70..a75afc6f6dfced2220f9ed7413ba0c4996e49e42 100644
--- a/pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart
+++ b/pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.dart
@@ -133,9 +133,9 @@ class KernelConstructorInvocation extends ConstructorInvocation
         fileOffset,
         target,
         arguments._hasExplicitTypeArguments ? arguments.types : null,
-        _forEachArgument, (type) {
+        _forEachArgument, (types) {
       arguments.types.clear();
-      arguments.types.addAll(type.typeArguments);
+      arguments.types.addAll(types);
     });
   }
 }