[modules] Turn JSModule into Module.

src/objects-printer.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include <iomanip>
 #include <memory>
 
 #include "src/disasm.h"
@@ skipping 1127 matching lines @@
   os << "\n";
 }
 
 
 void Box::BoxPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "Box");
   os << "\n - value: " << Brief(value());
   os << "\n";
 }
 
+void Module::ModulePrint(std::ostream& os) {  // NOLINT
+  HeapObject::PrintHeader(os, "Module");
+  os << "\n - exports: " << Brief(exports());
+  os << "\n";
+}
 
 void PrototypeInfo::PrototypeInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "PrototypeInfo");
   os << "\n - prototype users: " << Brief(prototype_users());
   os << "\n - registry slot: " << registry_slot();
   os << "\n - validity cell: " << Brief(validity_cell());
   os << "\n";
 }
 
 void ContextExtension::ContextExtensionPrint(std::ostream& os) {  // NOLINT
@@ skipping 359 matching lines @@
     printf("Not a transition array\n");
   } else {
     reinterpret_cast<i::TransitionArray*>(object)->Print();
   }
 }
 
 extern void _v8_internal_Print_StackTrace() {
   i::Isolate* isolate = i::Isolate::Current();
   isolate->PrintStack(stdout);
 }