Make ModuleScript to have a reference to Modulator explicitly

third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.cpp

 // Copyright 2017 The Chromium 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 "core/loader/modulescript/ModuleScriptLoader.h"
 
 #include "core/dom/Modulator.h"
 #include "core/dom/ModuleScript.h"
 #include "core/loader/modulescript/ModuleScriptLoaderClient.h"
 #include "core/loader/modulescript/ModuleScriptLoaderRegistry.h"
@@ skipping 226 matching lines @@
   // Step 6: "...return null, and abort these steps."
   if (result.IsNull())
     return nullptr;
   // Step 7. Set script's module record to result.
   // Step 8. Set script's base URL to the script base URL provided.
   // Step 9. Set script's cryptographic nonce to the cryptographic nonce
   // provided.
   // Step 10. Set script's parser state to the parser state.
   // Step 11. Set script's credentials mode to the credentials mode provided.
   // Step 12. Return script.
-  return ModuleScript::Create(result, url, nonce, parser_state,
+  return ModuleScript::Create(modulator, result, url, nonce, parser_state,
                               credentials_mode);
 }
 
 DEFINE_TRACE(ModuleScriptLoader) {
   visitor->Trace(modulator_);
   visitor->Trace(module_script_);
   visitor->Trace(registry_);
   visitor->Trace(client_);
   ResourceOwner<ScriptResource>::Trace(visitor);
 }
 
 }  // namespace blink