Make it possible to set a getter and a setter at the same time

src/lookup.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_LOOKUP_H_
 #define V8_LOOKUP_H_
 
 #include "src/factory.h"
 #include "src/isolate.h"
 #include "src/objects.h"
@@ skipping 211 matching lines @@
   bool IsCacheableTransition() {
     DCHECK_EQ(TRANSITION, state_);
     return transition_->IsPropertyCell() ||
            (!transition_map()->is_dictionary_map() &&
             transition_map()->GetBackPointer()->IsMap());
   }
   void ApplyTransitionToDataProperty(Handle<JSObject> receiver);
   void ReconfigureDataProperty(Handle<Object> value,
                                PropertyAttributes attributes);
   void Delete();
-  void TransitionToAccessorProperty(AccessorComponent component,
-                                    Handle<Object> accessor,
+  void TransitionToAccessorProperty(Handle<Object> getter,
+                                    Handle<Object> setter,
                                     PropertyAttributes attributes);
   void TransitionToAccessorPair(Handle<Object> pair,
                                 PropertyAttributes attributes);
   PropertyDetails property_details() const {
     DCHECK(has_property_);
     return property_details_;
   }
   PropertyAttributes property_attributes() const {
     return property_details().attributes();
   }
@@ skipping 126 matching lines @@
   const Handle<JSReceiver> initial_holder_;
   const uint32_t index_;
   uint32_t number_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_LOOKUP_H_