Expose Object::DefineOwnProperty on the API

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index cdb23b4655d6b2caadde4a9bd16f45d99902e4fd..6bda3f4a0300c42a8e53e039b5353d83d0e48872 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -2686,6 +2686,10 @@ class V8_EXPORT Object : public Value {
   Maybe<bool> ForceSet(Local<Context> context, Local<Value> key,
                        Local<Value> value, PropertyAttribute attribs = None);
 
+  V8_WARN_UNUSED_RESULT MaybeLocal<Value> DefineObjectProperty(
+      Local<Context> context, Local<Value> key, Local<Value> value,
+      PropertyAttribute attribute = None);
+
   V8_DEPRECATE_SOON("Use maybe version", Local<Value> Get(Handle<Value> key));
   V8_WARN_UNUSED_RESULT MaybeLocal<Value> Get(Local<Context> context,
                                               Local<Value> key);