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-rw-r--r--base/metrics/histogram_base.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/base/metrics/histogram_base.h b/base/metrics/histogram_base.h
index 69e1437..949e864 100644
--- a/base/metrics/histogram_base.h
+++ b/base/metrics/histogram_base.h
@@ -69,7 +69,7 @@ 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_; }