[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 f175cd9c670962af74f915049f637d9ce2e2ef89..9c4a331526b6403be00fc2fbd88dc7a51de710bf 100644
--- a/third_party/WebKit/Source/core/dom/ModuleScript.cpp
+++ b/third_party/WebKit/Source/core/dom/ModuleScript.cpp
@@ -4,15 +4,24 @@
 
 #include "core/dom/ModuleScript.h"
 
+#include "bindings/core/v8/V8Binding.h"
+#include "bindings/core/v8/V8ThrowException.h"
+#include "core/dom/Modulator.h"
+#include "core/dom/ScriptModuleResolver.h"
+
 namespace blink {
 
-void ModuleScript::SetInstantiationError(v8::Isolate* isolate,
-                                         v8::Local<v8::Value> error) {
+void ModuleScript::SetInstantiationErrorAndClearRecord(ScriptValue error) {
   DCHECK_EQ(instantiation_state_, ModuleInstantiationState::kUninstantiated);
   instantiation_state_ = ModuleInstantiationState::kErrored;
 
   DCHECK(!error.IsEmpty());
-  instantiation_error_.Set(isolate, error);
+  {
+    ScriptState::Scope scope(error.GetScriptState());
+    instantiation_error_.Set(error.GetIsolate(), error.V8Value());
+  }
+
+  record_ = ScriptModule();
 }
 
 void ModuleScript::SetInstantiationSuccess() {
@@ -40,8 +49,10 @@ bool ModuleScript::CheckMIMETypeBeforeRunScript(Document* context_document,
 }
 
 void ModuleScript::RunScript(LocalFrame* frame, const SecurityOrigin*) const {
-  // TODO(hiroshige): Implement this once Modulator::ExecuteModule() is landed.
-  NOTREACHED();
+  fprintf(stderr, "ModuleScript: isNull=%d state=%d\n", record_.IsNull(),
+          InstantiationState());
+
+  settings_object_->ExecuteModule(this);
 }
 
 String ModuleScript::InlineSourceTextForCSP() const {