Make ModuleScript to have a reference to Modulator explicitly

third_party/WebKit/Source/core/dom/ModuleMapTest.cpp

Index: third_party/WebKit/Source/core/dom/ModuleMapTest.cpp
diff --git a/third_party/WebKit/Source/core/dom/ModuleMapTest.cpp b/third_party/WebKit/Source/core/dom/ModuleMapTest.cpp
index d18332e09a9642d2de376d78c6b9ae0e439fc4d4..87adbf24eb630a745fd3008a9a46c3568cf4da27 100644
--- a/third_party/WebKit/Source/core/dom/ModuleMapTest.cpp
+++ b/third_party/WebKit/Source/core/dom/ModuleMapTest.cpp
@@ -132,8 +132,8 @@ void ModuleMapTestModulator::FetchNewSingleModule(
 void ModuleMapTestModulator::ResolveFetches() {
   for (const auto& test_request : test_requests_) {
     ModuleScript* module_script = ModuleScript::Create(
-        ScriptModule(), test_request->url, test_request->nonce, kParserInserted,
-        WebURLRequest::kFetchCredentialsModeOmit);
+        this, ScriptModule(), test_request->url, test_request->nonce,
+        kParserInserted, WebURLRequest::kFetchCredentialsModeOmit);
     TaskRunner()->PostTask(
         BLINK_FROM_HERE,
         WTF::Bind(&ModuleScriptLoaderClient::NotifyNewSingleModuleFinished,