Index: base/metrics/histogram_base.cc |
diff --git a/base/metrics/histogram_base.cc b/base/metrics/histogram_base.cc |
index f09c84e20d0968262c8ec338c8691d9863b3b0d6..3f64c4785c34d8a14f94d37bad0668fb2a498a13 100644 |
--- a/base/metrics/histogram_base.cc |
+++ b/base/metrics/histogram_base.cc |
@@ -86,6 +86,10 @@ void HistogramBase::AddBoolean(bool value) { |
Add(value ? 1 : 0); |
} |
+void HistogramBase::SetCallback(const HistogramBase::ModifiedCallback& cb) { |
+ callback_ = cb; |
+} |
+ |
bool HistogramBase::SerializeInfo(Pickle* pickle) const { |
if (!pickle->WriteInt(GetHistogramType())) |
return false; |