Index: base/metrics/histogram_base.h |
diff --git a/base/metrics/histogram_base.h b/base/metrics/histogram_base.h |
index 302795a73fc7a4072bb4fc26ccb86461a5f790c0..702bd509606631267d75f1f7cf24a77db8dc08af 100644 |
--- a/base/metrics/histogram_base.h |
+++ b/base/metrics/histogram_base.h |
@@ -56,7 +56,7 @@ class BASE_EXPORT HistogramBase { |
kHexRangePrintingFlag = 0x8000, |
}; |
- HistogramBase(const std::string& name); |
+ explicit HistogramBase(const std::string& name); |
virtual ~HistogramBase(); |
std::string histogram_name() const { return histogram_name_; } |