[ES6 modules] Introduce ModuleScript::CreateInstantiationError

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

Index: third_party/WebKit/Source/core/dom/ModuleScript.h
diff --git a/third_party/WebKit/Source/core/dom/ModuleScript.h b/third_party/WebKit/Source/core/dom/ModuleScript.h
index f33417973291c05e410a8cb418bb2b368a32035e..4e6c2dfa6359913d46c5658ea1f9679ff941f3ff 100644
--- a/third_party/WebKit/Source/core/dom/ModuleScript.h
+++ b/third_party/WebKit/Source/core/dom/ModuleScript.h
@@ -49,6 +49,10 @@ class CORE_EXPORT ModuleScript final : public Script, public TraceWrapperBase {
     return instantiation_state_;
   }
 
+  v8::Local<v8::Value> CreateInstantiationError(v8::Isolate* isolate) const {
+    return instantiation_error_.NewLocal(isolate);
+  }
+
   // Implements Step 7.1 of:
   // https://html.spec.whatwg.org/multipage/webappapis.html#internal-module-script-graph-fetching-procedure
   void SetInstantiationErrorAndClearRecord(ScriptValue error);