[ES6 modules] Introduce ModuleScript model object

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

Index: third_party/WebKit/Source/core/dom/ModuleScript.cpp
diff --git a/third_party/WebKit/Source/core/dom/ModuleScript.cpp b/third_party/WebKit/Source/core/dom/ModuleScript.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..0ab530f2e7bf380eb06370d210bd3475a855d34e
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/ModuleScript.cpp
@@ -0,0 +1,11 @@
+// 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/dom/ModuleScript.h"
+
+namespace blink {
+
+DEFINE_TRACE(ModuleScript) {}
+
+}  // namespace blink