Enable module scripts in ScriptLoader

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 ced261f0aba7c0f11f28ffeec2de898930be137d..4f3467df22cddee3f0273bef575d5ee7dc060373 100644
--- a/third_party/WebKit/Source/core/dom/ModuleScript.cpp
+++ b/third_party/WebKit/Source/core/dom/ModuleScript.cpp
@@ -4,6 +4,10 @@
 
 #include "core/dom/ModuleScript.h"
 
+#include "bindings/core/v8/V8Binding.h"
+#include "bindings/core/v8/V8ThrowException.h"
+#include "core/dom/Modulator.h"
+
 namespace blink {
 
 void ModuleScript::SetInstantiationError(v8::Isolate* isolate,
@@ -40,8 +44,12 @@ bool ModuleScript::CheckMIMETypeBeforeRunScript(Document* context_document,
 }
 
 void ModuleScript::RunScript(LocalFrame* frame, const SecurityOrigin*) const {
-  // TODO(hiroshige): Implement this once Modulator::ExecuteModule() is landed.
-  NOTREACHED();
+  // FOXME: What if the isolate is different from the isolate used for
+  // m_record's compilation?
+  fprintf(stderr, "ModuleScript: isNull=%d state=%d\n", record_.IsNull(),
+          InstantiationState());
+
+  Modulator::From(ToScriptStateForMainWorld(frame))->ExecuteModule(this);

[hiroshige, 2017/04/12 19:57:05]

I think we should have |m_modulator| in ModuleScript and have
CHECK_EQ(Modulator::From(ToScriptStateForMainWorld(frame)), m_modulator);
here.

 }
 
 String ModuleScript::InlineSourceTextForCSP() const {