Index: net/http/transport_security_state.cc |
diff --git a/net/http/transport_security_state.cc b/net/http/transport_security_state.cc |
index baf38bf3a7820eaf3ed440be5d1662559d4702c4..6217d579b5d779d46bc5837ac4ba15676475dd81 100644 |
--- a/net/http/transport_security_state.cc |
+++ b/net/http/transport_security_state.cc |
@@ -22,6 +22,7 @@ |
#include "base/logging.h" |
#include "base/memory/scoped_ptr.h" |
#include "base/metrics/histogram.h" |
+#include "base/metrics/sparse_histogram.h" |
#include "base/sha1.h" |
#include "base/strings/string_number_conversions.h" |
#include "base/strings/string_util.h" |
@@ -723,8 +724,8 @@ void TransportSecurityState::ReportUMAOnPinFailure(const std::string& host) { |
DCHECK(result.domain_id != DOMAIN_NOT_PINNED); |
- UMA_HISTOGRAM_ENUMERATION( |
- "Net.PublicKeyPinFailureDomain", result.domain_id, DOMAIN_NUM_EVENTS); |
+ UMA_HISTOGRAM_SPARSE_SLOWLY( |
+ "Net.PublicKeyPinFailureDomain", result.domain_id); |
} |
// static |