[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 17cec9d0fc62b5659c4cf828a80a3e9d91022405..8e29c8384bd443f5f21ee5846a3681526e635b5f 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,
@@ -42,8 +44,7 @@ class CORE_EXPORT ModuleScript final : public Script, public TraceWrapperBase {
   }
   ~ModuleScript() override = default;
 
-  ScriptModule& Record() { return record_; }
-  void ClearRecord() { record_ = ScriptModule(); }
+  const ScriptModule& Record() const { return record_; }
   const KURL& BaseURL() const { return base_url_; }
 
   ModuleInstantiationState InstantiationState() const {
@@ -51,7 +52,7 @@ class CORE_EXPORT ModuleScript final : public Script, public TraceWrapperBase {
   }
 
   void SetInstantiationSuccess();
-  void SetInstantiationError(v8::Isolate*, v8::Local<v8::Value> error);
+  void SetInstantiationErrorAndClearRecord(ScriptValue error);
 
   ParserDisposition ParserState() const { return parser_state_; }
   WebURLRequest::FetchCredentialsMode CredentialsMode() const {
@@ -59,6 +60,10 @@ 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();