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-rw-r--r--base/metrics/statistics_recorder.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/base/metrics/statistics_recorder.h b/base/metrics/statistics_recorder.h
index 5345735..6d40aff 100644
--- a/base/metrics/statistics_recorder.h
+++ b/base/metrics/statistics_recorder.h
@@ -90,6 +90,7 @@ class BASE_EXPORT StatisticsRecorder {
typedef std::map<uint32, std::list<const BucketRanges*>*> RangesMap;
friend struct DefaultLazyInstanceTraits<StatisticsRecorder>;
+ friend class HistogramBaseTest;
friend class HistogramTest;
friend class StatisticsRecorderTest;