[api] Add interceptor for defineProperty().

src/api-arguments.h

Index: src/api-arguments.h
diff --git a/src/api-arguments.h b/src/api-arguments.h
index 0dfe61824a982181e377b5775dc132af1952a8f6..9e01f3ae7db0aeef90ba34e1dd2a27ce54fa17cb 100644
--- a/src/api-arguments.h
+++ b/src/api-arguments.h
@@ -119,9 +119,16 @@ class PropertyCallbackArguments
   inline Handle<Object> Call(GenericNamedPropertySetterCallback f,
                              Handle<Name> name, Handle<Object> value);
 
+  inline Handle<Object> Call(GenericNamedPropertyDefinerCallback f,
+                             Handle<Name> name,
+                             const v8::PropertyDescriptor& desc);
+
   inline Handle<Object> Call(IndexedPropertySetterCallback f, uint32_t index,
                              Handle<Object> value);
 
+  inline Handle<Object> Call(IndexedPropertyDefinerCallback f, uint32_t index,
+                             const v8::PropertyDescriptor& desc);
+
   inline void Call(AccessorNameSetterCallback f, Handle<Name> name,
                    Handle<Object> value);