Expose TLS settings in the Security panel overview, and call out individual obsolete settings.

components/security_state/security_state_model.h

Index: components/security_state/security_state_model.h
diff --git a/components/security_state/security_state_model.h b/components/security_state/security_state_model.h
index b4ff3e9c5f17b7eb1f19fa65ed2f73a815fe504c..f0e319e348b01be905ae3e7bce88e94a871bcb38 100644
--- a/components/security_state/security_state_model.h
+++ b/components/security_state/security_state_model.h
@@ -104,9 +104,10 @@ class SecurityStateModel {
     // Information about the SSL connection, such as protocol and
     // ciphersuite. See ssl_connection_flags.h in net.
     int connection_status;
-    // True if the protocol version and ciphersuite for the connection
-    // are considered secure.
-    bool is_secure_protocol_and_ciphersuite;
+    // A mask that indicates which of the protocol version,
+    // key exchange, or cipher for the connection is considered
+    // obsolete. See net::ObsoleteSSLMask for specific mask values.
+    int obsolete_ssl_status;
 
     // True if pinning was bypassed due to a local trust anchor.
     bool pkp_bypassed;