Certificate Transparency: Add observer for Signed Certificate Timestamps

net/cert/multi_log_ct_verifier.h

Index: net/cert/multi_log_ct_verifier.h
diff --git a/net/cert/multi_log_ct_verifier.h b/net/cert/multi_log_ct_verifier.h
index b18b680a08a9a88e18f4e557b517bb888186bf66..0e913b2a04bd609adfa7d2a381f8236d670ed514 100644
--- a/net/cert/multi_log_ct_verifier.h
+++ b/net/cert/multi_log_ct_verifier.h
@@ -40,6 +40,10 @@ class NET_EXPORT MultiLogCTVerifier : public CTVerifier {
              ct::CTVerifyResult* result,
              const BoundNetLog& net_log) override;
 
+  void StopNotifications() override;
+
+  void SetObserver(Observer* observer) override;
+
  private:
   // Verify a list of SCTs from |encoded_sct_list| over |expected_entry|,
   // placing the verification results in |result|. The SCTs in the list
@@ -60,6 +64,8 @@ class NET_EXPORT MultiLogCTVerifier : public CTVerifier {
   // of RFC6962.
   std::map<std::string, scoped_refptr<CTLogVerifier>> logs_;
 
+  Observer* observer_;
+
   DISALLOW_COPY_AND_ASSIGN(MultiLogCTVerifier);
 };