Handlify JSObject::AddFastPropertyUsingMap method.

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2743 matching lines @@
   static void AddFastProperty(Handle<JSObject> object,
                               Handle<Name> name,
                               Handle<Object> value,
                               PropertyAttributes attributes,
                               StoreFromKeyed store_mode,
                               ValueType value_type,
                               TransitionFlag flag);
 
   // Add a property to a fast-case object using a map transition to
   // new_map.
-  static Handle<Object> AddFastPropertyUsingMap(Handle<JSObject> object,
-                                                Handle<Map> new_map,
-                                                Handle<Name> name,
-                                                Handle<Object> value,
-                                                int field_index,
-                                                Representation representation);
-  MUST_USE_RESULT MaybeObject* AddFastPropertyUsingMap(
-      Map* new_map,
-      Name* name,
-      Object* value,
-      int field_index,
-      Representation representation);
+  static void AddFastPropertyUsingMap(Handle<JSObject> object,
+                                      Handle<Map> new_map,
+                                      Handle<Name> name,
+                                      Handle<Object> value,
+                                      int field_index,
+                                      Representation representation);
 
   // Add a property to a slow-case object.
   static void AddSlowProperty(Handle<JSObject> object,
                               Handle<Name> name,
                               Handle<Object> value,
                               PropertyAttributes attributes);
 
   static Handle<Object> DeleteProperty(Handle<JSObject> object,
                                        Handle<Name> name,
                                        DeleteMode mode);
@@ skipping 7462 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_