Make ModuleScript to have a reference to Modulator explicitly

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

Index: third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.cpp b/third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.cpp
index 9c58e59e39e298170d6aa255f3146840550f5de2..97e66fc5f059fdbfd1fb61301854a115c1a27b84 100644
--- a/third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/modulescript/ModuleScriptLoader.cpp
@@ -244,7 +244,7 @@ ModuleScript* ModuleScriptLoader::CreateModuleScript(
   // 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);
 }