Pretenure prototype transitions array.

src/transitions-inl.h

 // Copyright 2012 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_TRANSITIONS_INL_H_
 #define V8_TRANSITIONS_INL_H_
 
 #include "src/transitions.h"
 
 namespace v8 {
@@ skipping 19 matching lines @@
 }
 
 
 FixedArray* TransitionArray::GetPrototypeTransitions() {
   DCHECK(HasPrototypeTransitions());  // Callers must check first.
   Object* prototype_transitions = get(kPrototypeTransitionsIndex);
   return FixedArray::cast(prototype_transitions);
 }
 
 
-void TransitionArray::SetPrototypeTransitions(FixedArray* transitions,
-                                              WriteBarrierMode mode) {
+void TransitionArray::SetPrototypeTransitions(FixedArray* transitions) {
   DCHECK(transitions->IsFixedArray());
-  set(kPrototypeTransitionsIndex, transitions, mode);
+  set(kPrototypeTransitionsIndex, transitions);
 }
 
 
 Object** TransitionArray::GetPrototypeTransitionsSlot() {
   return RawFieldOfElementAt(kPrototypeTransitionsIndex);
 }
 
 
 Object** TransitionArray::GetKeySlot(int transition_number) {
   DCHECK(transition_number < number_of_transitions());
@@ skipping 122 matching lines @@
 
 void TransitionArray::SetNumberOfTransitions(int number_of_transitions) {
   DCHECK(number_of_transitions <= Capacity(this));
   set(kTransitionLengthIndex, Smi::FromInt(number_of_transitions));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TRANSITIONS_INL_H_