Change SpdySession::GetSSLInfo to get the SSLInfo from the underlying socket

net/socket/ssl_client_socket_nss.cc

Index: net/socket/ssl_client_socket_nss.cc
diff --git a/net/socket/ssl_client_socket_nss.cc b/net/socket/ssl_client_socket_nss.cc
index 8d677efec639731f741315c0ba4964c8a00eb676..210e62b73c3ab8e2785c498dd0e28d27cfca51b1 100644
--- a/net/socket/ssl_client_socket_nss.cc
+++ b/net/socket/ssl_client_socket_nss.cc
@@ -2750,12 +2750,12 @@ void SSLClientSocket::ClearSessionCache() {
   SSL_ClearSessionCache();
 }
 
-void SSLClientSocketNSS::GetSSLInfo(SSLInfo* ssl_info) {
+bool SSLClientSocketNSS::GetSSLInfo(SSLInfo* ssl_info) const {
   EnterFunction("");
   ssl_info->Reset();
   if (core_->state().server_cert_chain.empty() ||
       !core_->state().server_cert_chain[0]) {
-    return;
+    return false;
   }
 
   ssl_info->cert_status = server_cert_verify_result_.cert_status;
@@ -2791,6 +2791,7 @@ void SSLClientSocketNSS::GetSSLInfo(SSLInfo* ssl_info) {
       SSLInfo::HANDSHAKE_RESUME : SSLInfo::HANDSHAKE_FULL;
 
   LeaveFunction("");
+  return true;
 }
 
 void SSLClientSocketNSS::GetSSLCertRequestInfo(