fixes #184, type literals now use emitTypeName

lib/src/codegen/js_codegen.dart

Index: lib/src/codegen/js_codegen.dart
diff --git a/lib/src/codegen/js_codegen.dart b/lib/src/codegen/js_codegen.dart
index 8af06b9dfb02481a6e62f779bc649adf98c9852c..8f4abf85b25f22929cf12780fca0185239235b0c 100644
--- a/lib/src/codegen/js_codegen.dart
+++ b/lib/src/codegen/js_codegen.dart
@@ -991,6 +991,11 @@ class JSCodegenVisitor extends GeneralizingAstVisitor with ConversionVisitor {
 
     var name = element.name;
 
+    // type literal
+    if (element is ClassElement || element is FunctionTypeAliasElement) {
+      return _emitTypeName(fillDynamicTypeArgs(element.type, types));
+    }
+
     // library member
     if (element.enclosingElement is CompilationUnitElement) {
       return _maybeQualifiedName(