Turn message property of the error object into a data property.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 18bd60788329530788d352fb3c48a2dbba7314f5..fb40d5e73e3c3dd85b15165c88487f6d893cbd5f 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -13101,33 +13101,6 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_GetFromCache) {
 }
 
 
-RUNTIME_FUNCTION(MaybeObject*, Runtime_NewMessageObject) {
-  HandleScope scope(isolate);
-  CONVERT_ARG_HANDLE_CHECKED(String, type, 0);
-  CONVERT_ARG_HANDLE_CHECKED(JSArray, arguments, 1);
-  return *isolate->factory()->NewJSMessageObject(
-      type,
-      arguments,
-      0,
-      0,
-      isolate->factory()->undefined_value(),
-      isolate->factory()->undefined_value(),
-      isolate->factory()->undefined_value());
-}
-
-
-RUNTIME_FUNCTION(MaybeObject*, Runtime_MessageGetType) {
-  CONVERT_ARG_CHECKED(JSMessageObject, message, 0);
-  return message->type();
-}
-
-
-RUNTIME_FUNCTION(MaybeObject*, Runtime_MessageGetArguments) {
-  CONVERT_ARG_CHECKED(JSMessageObject, message, 0);
-  return message->arguments();
-}
-
-
 RUNTIME_FUNCTION(MaybeObject*, Runtime_MessageGetStartPosition) {
   CONVERT_ARG_CHECKED(JSMessageObject, message, 0);
   return Smi::FromInt(message->start_position());