Introduce blink::Script

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 2f9e74d601011094dc6b9ff8faaf5b50b0321c69..2ce5a8381fa51e7650a708ecdb8d1224ac702a6e 100644
--- a/third_party/WebKit/Source/core/dom/ModuleScript.cpp
+++ b/third_party/WebKit/Source/core/dom/ModuleScript.cpp
@@ -20,9 +20,34 @@ void ModuleScript::setInstantiationSuccess() {
   m_instantiationState = ModuleInstantiationState::Instantiated;
 }
 
-DEFINE_TRACE(ModuleScript) {}
+DEFINE_TRACE(ModuleScript) {
+  Script::trace(visitor);
+}
 DEFINE_TRACE_WRAPPERS(ModuleScript) {
   visitor->traceWrappers(m_instantiationError);
 }
 
+bool ModuleScript::isEmpty() const {
+  return false;
+}
+
+bool ModuleScript::checkMIMETypeBeforeRunScript(Document* contextDocument,
+                                                const SecurityOrigin*) const {
+  // We don't check MIME type here because we check the MIME type in
+  // ModuleScriptLoader::wasModuleLoadSuccessful().
+  return true;
+}
+
+void ModuleScript::runScript(LocalFrame* frame, const SecurityOrigin*) const {
+  // TODO(hiroshige): Implement this once Modulator::executeModule() is landed.
+  NOTREACHED();
+}
+
+String ModuleScript::inlineSourceTextForCSP() const {
+  // Currently we don't support inline module scripts.
+  // TODO(hiroshige): Implement this.
+  NOTREACHED();
+  return String();
+}
+
 }  // namespace blink