Addition of Certificate Transparency details to Security panel of DevTools

net/cert/signed_certificate_timestamp.cc

Index: net/cert/signed_certificate_timestamp.cc
diff --git a/net/cert/signed_certificate_timestamp.cc b/net/cert/signed_certificate_timestamp.cc
index f5f9c946481ead42932d80b107b4d79445daf856..f4c412582fc545373fb6739e0e8120f6c48ff845 100644
--- a/net/cert/signed_certificate_timestamp.cc
+++ b/net/cert/signed_certificate_timestamp.cc
@@ -89,6 +89,13 @@ void LogEntry::Reset() {
 
 DigitallySigned::DigitallySigned() {}
 
+DigitallySigned::DigitallySigned(HashAlgorithm hash_algorithm,
+                                 SignatureAlgorithm signature_algorithm,
+                                 std::string signature_data)
+    : hash_algorithm(hash_algorithm),
+      signature_algorithm(signature_algorithm),
+      signature_data(signature_data) {}
+
 DigitallySigned::~DigitallySigned() {}
 
 bool DigitallySigned::SignatureParametersMatch(