Bug 917049 - Remove the security.enable_tls_session_tickets pref. r=keeler

netwerk/base/public/security-prefs.js

@@ -4,7 +4,6 @@
 
 pref("security.tls.version.min", 0);
 pref("security.tls.version.max", 1);
-pref("security.enable_tls_session_tickets", true);
 pref("security.enable_md5_signatures", false);
 
 pref("security.ssl.allow_unrestricted_renego_everywhere__temporarily_available_pref", false);

security/manager/ssl/src/nsNSSComponent.cpp

@@ -1042,7 +1042,6 @@ static void configureMD5(bool enabled)
 
 static const bool SUPPRESS_WARNING_PREF_DEFAULT = false;
 static const bool MD5_ENABLED_DEFAULT = false;
-static const bool TLS_SESSION_TICKETS_ENABLED_DEFAULT = true;
 static const bool REQUIRE_SAFE_NEGOTIATION_DEFAULT = false;
 static const bool ALLOW_UNRESTRICTED_RENEGO_DEFAULT = false;
 static const bool FALSE_START_ENABLED_DEFAULT = true;
@@ -1202,11 +1201,7 @@ nsNSSComponent::InitializeNSS(bool showWarningBox)
                                              MD5_ENABLED_DEFAULT);
       configureMD5(md5Enabled);
 
-      // Configure TLS session tickets
-      bool tlsSessionTicketsEnabled =
-        Preferences::GetBool("security.enable_tls_session_tickets",
-                             TLS_SESSION_TICKETS_ENABLED_DEFAULT);
-      SSL_OptionSetDefault(SSL_ENABLE_SESSION_TICKETS, tlsSessionTicketsEnabled);
+      SSL_OptionSetDefault(SSL_ENABLE_SESSION_TICKETS, true);
 
       bool requireSafeNegotiation =
         Preferences::GetBool("security.ssl.require_safe_negotiation",
@@ -1638,11 +1633,6 @@ nsNSSComponent::Observe(nsISupports *aSubject, const char *aTopic,
                                              MD5_ENABLED_DEFAULT);
       configureMD5(md5Enabled);
       clearSessionCache = true;
-    } else if (prefName.Equals("security.enable_tls_session_tickets")) {
-      bool tlsSessionTicketsEnabled =
-        Preferences::GetBool("security.enable_tls_session_tickets",
-                             TLS_SESSION_TICKETS_ENABLED_DEFAULT);
-      SSL_OptionSetDefault(SSL_ENABLE_SESSION_TICKETS, tlsSessionTicketsEnabled);
     } else if (prefName.Equals("security.ssl.require_safe_negotiation")) {
       bool requireSafeNegotiation =
         Preferences::GetBool("security.ssl.require_safe_negotiation",