[WIP Prototype] ES6 https://html.spec.whatwg.org/#fetch-a-single-module-script implementation

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..09f7d198554bc5cf4da36ab32c1d7d3db05a74bf 100644
--- a/third_party/WebKit/Source/core/dom/ModuleScript.h
+++ b/third_party/WebKit/Source/core/dom/ModuleScript.h
@@ -19,6 +19,8 @@
 
 namespace blink {
 
+class ScriptModuleResolver;
+
 // https://html.spec.whatwg.org/multipage/webappapis.html#concept-module-script-instantiation-state
 enum class ModuleInstantiationState {
   kUninstantiated,
@@ -42,7 +44,7 @@ class CORE_EXPORT ModuleScript final : public Script, public TraceWrapperBase {
   }
   ~ModuleScript() override = default;
 
-  ScriptModule& Record() { return record_; }
+  const ScriptModule& Record() const { return record_; }
   const KURL& BaseURL() const { return base_url_; }
 
   ModuleInstantiationState InstantiationState() const {
@@ -62,6 +64,10 @@ class CORE_EXPORT ModuleScript final : public Script, public TraceWrapperBase {
   }
   const String& Nonce() const { return nonce_; }
 
+  v8::Local<v8::Value> CreateInstantiationError(v8::Isolate* isolate) const {
+    return instantiation_error_.NewLocal(isolate);
+  }
+
   DECLARE_TRACE();
   DECLARE_TRACE_WRAPPERS();