Index: base/metrics/sample_map.h |
diff --git a/base/metrics/sample_map.h b/base/metrics/sample_map.h |
index d1d7cd698a329e541b47b8aa85fad5a59a48ed37..97630aa232c806a8aad98ae4d0fea01238848523 100644 |
--- a/base/metrics/sample_map.h |
+++ b/base/metrics/sample_map.h |
@@ -19,7 +19,7 @@ namespace base { |
class BASE_EXPORT SampleMap : public HistogramSamples { |
public: |
- SampleMap(); |
+ explicit SampleMap(uint64 id); |
~SampleMap() override; |
// HistogramSamples implementation: |