Check whether to enable token binding in preconnect.cc

chrome/browser/net/preconnect.cc

Index: chrome/browser/net/preconnect.cc
diff --git a/chrome/browser/net/preconnect.cc b/chrome/browser/net/preconnect.cc
index 1e920afbfa62b026c14fd5279fff4a7d911ccf9b..cb28b96bcf598f34e545cd357627888872eef051 100644
--- a/chrome/browser/net/preconnect.cc
+++ b/chrome/browser/net/preconnect.cc
@@ -105,6 +105,10 @@ void PreconnectOnIOThread(const GURL& url,
   session->ssl_config_service()->GetSSLConfig(&ssl_config);
   session->GetAlpnProtos(&ssl_config.alpn_protos);
   session->GetNpnProtos(&ssl_config.npn_protos);
+  if (session->params().enable_token_binding &&
+      session->params().channel_id_service) {
+    ssl_config.token_binding_params.push_back(net::TB_PARAM_ECDSAP256);

[mattm, 2016/04/01 01:27:18]

Should this check privacy mode? Should it set ssl_config.channel_id_enabled
also?

[nharper, 2016/04/01 19:33:06]

ssl_config.channel_id_enabled is true by default, but this should probably check
privacy mode and disable channel ID and token binding if that's the case.

+  }
 
   // All preconnects should perform EV certificate verification.
   ssl_config.verify_ev_cert = true;