Index: base/metrics/histogram_samples.cc |
=================================================================== |
--- base/metrics/histogram_samples.cc (revision 221170) |
+++ base/metrics/histogram_samples.cc (working copy) |
@@ -113,7 +113,8 @@ |
} |
void HistogramSamples::IncreaseRedundantCount(HistogramBase::Count diff) { |
- redundant_count_ += diff; |
+ base::subtle::NoBarrier_Store(&redundant_count_, |
+ base::subtle::NoBarrier_Load(&redundant_count_) + diff); |
} |
SampleCountIterator::~SampleCountIterator() {} |