[builtins] Migrate a bunch of Object builtins to C++.

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index f389b41acb3f693295e023678087a7416a2f8b55..aa077c57464d046e7b5f98bb7dad4d3ab3bb01c2 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -291,26 +291,6 @@ RUNTIME_FUNCTION(Runtime_GetOwnProperty) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_PreventExtensions) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, obj, 0);
-  MAYBE_RETURN(JSReceiver::PreventExtensions(obj, Object::THROW_ON_ERROR),
-               isolate->heap()->exception());
-  return *obj;
-}
-
-
-RUNTIME_FUNCTION(Runtime_IsExtensible) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, obj, 0);
-  Maybe<bool> result = JSReceiver::IsExtensible(obj);
-  MAYBE_RETURN(result, isolate->heap()->exception());
-  return isolate->heap()->ToBoolean(result.FromJust());
-}
-
-
 RUNTIME_FUNCTION(Runtime_OptimizeObjectForAddingMultipleProperties) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
@@ -326,52 +306,6 @@ RUNTIME_FUNCTION(Runtime_OptimizeObjectForAddingMultipleProperties) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_ObjectFreeze) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0);
-
-  MAYBE_RETURN(
-      JSReceiver::SetIntegrityLevel(object, FROZEN, Object::THROW_ON_ERROR),
-      isolate->heap()->exception());
-  return *object;
-}
-
-
-RUNTIME_FUNCTION(Runtime_ObjectIsFrozen) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0);
-
-  Maybe<bool> result = JSReceiver::TestIntegrityLevel(object, FROZEN);
-  MAYBE_RETURN(result, isolate->heap()->exception());
-  return isolate->heap()->ToBoolean(result.FromJust());
-}
-
-
-RUNTIME_FUNCTION(Runtime_ObjectSeal) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0);
-
-  MAYBE_RETURN(
-      JSReceiver::SetIntegrityLevel(object, SEALED, Object::THROW_ON_ERROR),
-      isolate->heap()->exception());
-  return *object;
-}
-
-
-RUNTIME_FUNCTION(Runtime_ObjectIsSealed) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0);
-
-  Maybe<bool> result = JSReceiver::TestIntegrityLevel(object, SEALED);
-  MAYBE_RETURN(result, isolate->heap()->exception());
-  return isolate->heap()->ToBoolean(result.FromJust());
-}
-
-
 RUNTIME_FUNCTION(Runtime_LoadGlobalViaContext) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());