[modules] Add a requested_modules field to Module

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index c5521063dd6b8bf31d400e142c39e37e2719c665..347c16c2517e186973fa556ddf3f4b0845aefd5c 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7884,6 +7884,11 @@ class Module : public Struct {
 
   DECL_ACCESSORS(exports, ObjectHashTable)
 
+  // [[RequestedModules]]: Modules imported or re-exported by this module.
+  // Corresponds 1-to-1 to the module specifier strings in
+  // ModuleInfo::module_requests.
+  DECL_ACCESSORS(requested_modules, FixedArray)
+
   static void CreateExport(Handle<Module> module, Handle<String> name);
   static void StoreExport(Handle<Module> module, Handle<String> name,
                           Handle<Object> value);
@@ -7891,7 +7896,8 @@ class Module : public Struct {
 
   static const int kCodeOffset = HeapObject::kHeaderSize;
   static const int kExportsOffset = kCodeOffset + kPointerSize;
-  static const int kSize = kExportsOffset + kPointerSize;
+  static const int kRequestedModulesOffset = kExportsOffset + kPointerSize;
+  static const int kSize = kRequestedModulesOffset + kPointerSize;
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(Module);