Implemented class literals in the VM.

runtime/vm/parser.cc

Index: runtime/vm/parser.cc
===================================================================
--- runtime/vm/parser.cc	(revision 16455)
+++ runtime/vm/parser.cc	(working copy)
@@ -7476,13 +7476,14 @@
         if (primary->primary().IsFunction()) {
           // Treat as implicit closure.
           left = LoadClosure(primary);
-        } else if (left->AsPrimaryNode()->primary().IsClass()) {
-          Class& cls = Class::CheckedHandle(
-              left->AsPrimaryNode()->primary().raw());
-          String& cls_name = String::Handle(cls.Name());
-          ErrorMsg(left->token_pos(),
-                   "illegal use of class name '%s'",
-                   cls_name.ToCString());
+        } else if (primary->primary().IsClass()) {
+          const Class& type_class = Class::Cast(primary->primary());
+          Type& type = Type::ZoneHandle(
+              Type::New(type_class, TypeArguments::Handle(),
+                        primary->token_pos(), Heap::kOld));
+          type ^= ClassFinalizer::FinalizeType(
+              current_class(), type, ClassFinalizer::kCanonicalize);
+          left = new TypeNode(primary->token_pos(), type);
         } else if (primary->IsSuper()) {
           // Return "super" to handle unary super operator calls,
           // or to report illegal use of "super" otherwise.