Rename "NoBarrier" memory operations to "Relaxed".

src/profiler/cpu-profiler.cc

 // 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.
 
 #include "src/profiler/cpu-profiler.h"
 
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/frames-inl.h"
 #include "src/locked-queue-inl.h"
@@ skipping 74 matching lines @@
     regs.fp = frame->fp();
     regs.pc = frame->pc();
   }
   record.sample.Init(isolate, regs, TickSample::kSkipCEntryFrame, update_stats,
                      false);
   ticks_from_vm_buffer_.Enqueue(record);
 }
 
 
 void ProfilerEventsProcessor::StopSynchronously() {
-  if (!base::NoBarrier_AtomicExchange(&running_, 0)) return;
+  if (!base::Relaxed_AtomicExchange(&running_, 0)) return;
   Join();
 }
 
 
 bool ProfilerEventsProcessor::ProcessCodeEvent() {
   CodeEventsContainer record;
   if (events_buffer_.Dequeue(&record)) {
     switch (record.generic.type) {
 #define PROFILER_TYPE_CASE(type, clss)                          \
       case CodeEventRecord::type:                               \
@@ skipping 30 matching lines @@
   if (record->order != last_processed_code_event_id_) {
     return FoundSampleForNextCodeEvent;
   }
   generator_->RecordTickSample(record->sample);
   ticks_buffer_.Remove();
   return OneSampleProcessed;
 }
 
 
 void ProfilerEventsProcessor::Run() {
-  while (!!base::NoBarrier_Load(&running_)) {
+  while (!!base::Relaxed_Load(&running_)) {
     base::TimeTicks nextSampleTime =
         base::TimeTicks::HighResolutionNow() + period_;
     base::TimeTicks now;
     SampleProcessingResult result;
     // Keep processing existing events until we need to do next sample
     // or the ticks buffer is empty.
     do {
       result = ProcessOneSample();
       if (result == FoundSampleForNextCodeEvent) {
         // All ticks of the current last_processed_code_event_id_ are
@@ skipping 222 matching lines @@
     ReportBuiltinEventRecord* rec = &evt_rec.ReportBuiltinEventRecord_;
     Builtins::Name id = static_cast<Builtins::Name>(i);
     rec->start = builtins->builtin(id)->address();
     rec->builtin_id = id;
     processor_->Enqueue(evt_rec);
   }
 }
 
 }  // namespace internal
 }  // namespace v8