Rename "NoBarrier" memory operations to "Relaxed".

src/v8threads.cc

Index: src/v8threads.cc
diff --git a/src/v8threads.cc b/src/v8threads.cc
index c0470c5b3c4fcf12d735e19d098034a1ab496feb..202323ec0de809dd2afd20bf41565ae7dadb0778 100644
--- a/src/v8threads.cc
+++ b/src/v8threads.cc
@@ -32,7 +32,7 @@ void Locker::Initialize(v8::Isolate* isolate) {
   top_level_ = true;
   isolate_ = reinterpret_cast<i::Isolate*>(isolate);
   // Record that the Locker has been used at least once.
-  base::NoBarrier_Store(&g_locker_was_ever_used_, 1);
+  base::Relaxed_Store(&g_locker_was_ever_used_, 1);
   // Get the big lock if necessary.
   if (!isolate_->thread_manager()->IsLockedByCurrentThread()) {
     isolate_->thread_manager()->Lock();
@@ -60,7 +60,7 @@ bool Locker::IsLocked(v8::Isolate* isolate) {
 
 
 bool Locker::IsActive() {
-  return !!base::NoBarrier_Load(&g_locker_was_ever_used_);
+  return !!base::Relaxed_Load(&g_locker_was_ever_used_);
 }