| 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
|
|
|