Certificate Transparency: Add observer for Signed Certificate Timestamps

net/cert/multi_log_ct_verifier.cc

Index: net/cert/multi_log_ct_verifier.cc
diff --git a/net/cert/multi_log_ct_verifier.cc b/net/cert/multi_log_ct_verifier.cc
index 2de8fcfce2a4d639276575c0597071baba2e1f85..07fb4443fc5c01a2bf0599b986b9ad7f573c79c1 100644
--- a/net/cert/multi_log_ct_verifier.cc
+++ b/net/cert/multi_log_ct_verifier.cc
@@ -56,7 +56,8 @@ void LogNumSCTsToUMA(const ct::CTVerifyResult& result) {
 
 }  // namespace
 
-MultiLogCTVerifier::MultiLogCTVerifier() { }
+MultiLogCTVerifier::MultiLogCTVerifier() : observer_(nullptr) {
+}
 
 MultiLogCTVerifier::~MultiLogCTVerifier() { }
 
@@ -68,6 +69,10 @@ void MultiLogCTVerifier::AddLogs(
   }
 }
 
+void MultiLogCTVerifier::SetObserver(Observer* observer) {
+  observer_ = observer;
+}
+
 int MultiLogCTVerifier::Verify(
     X509Certificate* cert,
     const std::string& stapled_ocsp_response,
@@ -217,7 +222,14 @@ bool MultiLogCTVerifier::VerifySingleSCT(
 
   LogSCTStatusToUMA(ct::SCT_STATUS_OK);
   result->verified_scts.push_back(sct);
+  if (observer_)
+    observer_->OnSCTVerified(sct.get(), it->second.get());
   return true;
 }
 
+void MultiLogCTVerifier::StopNotifications() {
+  DVLOG(1) << "Stopping notifications.";
+  observer_ = nullptr;
+}
+
 } // namespace net