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

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
index 0ab530f2e7bf380eb06370d210bd3475a855d34e..d71b759ebd777327325de223f47fb8d16011f4d4 100644
--- a/third_party/WebKit/Source/core/dom/ModuleScript.cpp
+++ b/third_party/WebKit/Source/core/dom/ModuleScript.cpp
@@ -6,6 +6,22 @@
 
 namespace blink {
 
+void ModuleScript::setInstantiationError(v8::Isolate* isolate, v8::Local<v8::Value> error) {
+  DCHECK_EQ(m_instantiationState, ModuleInstantiationState::Uninstantiated);
+  m_instantiationState = ModuleInstantiationState::Errored;
+
+  DCHECK(!error.IsEmpty());
+  m_instantiationError.set(isolate, error);
+}
+
+void ModuleScript::setInstantiationSuccess() {
+  DCHECK_EQ(m_instantiationState, ModuleInstantiationState::Uninstantiated);
+  m_instantiationState = ModuleInstantiationState::Instantiated;
+}
+
 DEFINE_TRACE(ModuleScript) {}
+DEFINE_TRACE_WRAPPERS(ModuleScript) {
+  visitor->traceWrappers(m_instantiationError);
+}
 
 }  // namespace blink