Rename "NoBarrier" memory operations to "Relaxed".

src/profiler/unbound-queue-inl.h

 // Copyright 2010 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_PROFILER_UNBOUND_QUEUE_INL_H_
 #define V8_PROFILER_UNBOUND_QUEUE_INL_H_
 
 #include "src/profiler/unbound-queue.h"
 
 namespace v8 {
@@ skipping 48 matching lines @@
   base::Release_Store(&last_, reinterpret_cast<base::AtomicWord>(next));
 
   while (first_ != reinterpret_cast<Node*>(base::Acquire_Load(&divider_))) {
     DeleteFirst();
   }
 }
 
 
 template<typename Record>
 bool UnboundQueue<Record>::IsEmpty() const {
-  return base::NoBarrier_Load(&divider_) == base::NoBarrier_Load(&last_);
+  return base::Relaxed_Load(&divider_) == base::Relaxed_Load(&last_);
 }
 
 
 template<typename Record>
 Record* UnboundQueue<Record>::Peek() const {
   if (divider_ == base::Acquire_Load(&last_)) return NULL;
   Node* next = reinterpret_cast<Node*>(divider_)->next;
   return &next->value;
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PROFILER_UNBOUND_QUEUE_INL_H_