Bug 1168635 - Add an XPCOM interface to allow RC4. r=keeler

security/manager/ssl/nsNSSCallbacks.cpp

@@ -1239,6 +1239,9 @@ void HandshakeCallback(PRFileDesc* fd, void* client_data) {
   } else {
     state = nsIWebProgressListener::STATE_IS_SECURE |
             nsIWebProgressListener::STATE_SECURE_HIGH;
+    // we know this site no longer requires a weak cipher
+    ioLayerHelpers.removeInsecureFallbackSite(infoObject->GetHostName(),
+                                              infoObject->GetPort());
   }
   infoObject->SetSecurityState(state);