Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/runtime/runtime-i18n.cc

Index: src/runtime/runtime-i18n.cc
diff --git a/src/runtime/runtime-i18n.cc b/src/runtime/runtime-i18n.cc
index 68bdd654453824f03cd5c22f33fd22074608933c..d4c6034166e3fd471a5e064bf49fe1b8550b095f 100644
--- a/src/runtime/runtime-i18n.cc
+++ b/src/runtime/runtime-i18n.cc
@@ -259,7 +259,7 @@ RUNTIME_FUNCTION(Runtime_IsInitializedIntlObject) {
 
   Handle<Symbol> marker = isolate->factory()->intl_initialized_marker_symbol();
   Handle<Object> tag = JSReceiver::GetDataProperty(obj, marker);
-  return isolate->heap()->ToBoolean(!tag->IsUndefined());
+  return isolate->heap()->ToBoolean(!tag->IsUndefined(isolate));
 }
 
 
@@ -317,7 +317,7 @@ RUNTIME_FUNCTION(Runtime_GetImplFromInitializedIntlObject) {
   Handle<Symbol> marker = isolate->factory()->intl_impl_object_symbol();
 
   Handle<Object> impl = JSReceiver::GetDataProperty(obj, marker);
-  if (impl->IsTheHole()) {
+  if (impl->IsTheHole(isolate)) {
     THROW_NEW_ERROR_RETURN_FAILURE(
         isolate, NewTypeError(MessageTemplate::kNotIntlObject, obj));
   }