| Index: base/metrics/statistics_recorder.h
 | 
| diff --git a/base/metrics/statistics_recorder.h b/base/metrics/statistics_recorder.h
 | 
| index 3bef622b76f2f5612be639532bff71cc3b88394d..b5230575963e079789fac0f36c22fd2be5ba5ae5 100644
 | 
| --- a/base/metrics/statistics_recorder.h
 | 
| +++ b/base/metrics/statistics_recorder.h
 | 
| @@ -88,6 +88,7 @@ class BASE_EXPORT StatisticsRecorder {
 | 
|    friend class HistogramBaseTest;
 | 
|    friend class HistogramSnapshotManagerTest;
 | 
|    friend class HistogramTest;
 | 
| +  friend class JsonPrefStoreTest;
 | 
|    friend class SparseHistogramTest;
 | 
|    friend class StatisticsRecorderTest;
 | 
|    FRIEND_TEST_ALL_PREFIXES(HistogramDeltaSerializationTest,
 | 
| 
 |