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

net/socket/ssl_client_socket_mac.cc

Index: net/socket/ssl_client_socket_mac.cc
diff --git a/net/socket/ssl_client_socket_mac.cc b/net/socket/ssl_client_socket_mac.cc
index bdca223837ce0102b529c34004858ff0a7b14c52..ff43849b917add382fa2cde0b236f3c383cca03f 100644
--- a/net/socket/ssl_client_socket_mac.cc
+++ b/net/socket/ssl_client_socket_mac.cc
@@ -715,10 +715,10 @@ bool SSLClientSocketMac::SetSendBufferSize(int32 size) {
   return transport_->socket()->SetSendBufferSize(size);
 }
 
-void SSLClientSocketMac::GetSSLInfo(SSLInfo* ssl_info) {
+bool SSLClientSocketMac::GetSSLInfo(SSLInfo* ssl_info) {
   ssl_info->Reset();
   if (!server_cert_)
-    return;
+    return false;
 
   ssl_info->cert = server_cert_verify_result_.verified_cert;
   ssl_info->cert_status = server_cert_verify_result_.cert_status;
@@ -741,6 +741,8 @@ void SSLClientSocketMac::GetSSLInfo(SSLInfo* ssl_info) {
 
   if (ssl_config_.version_fallback)
     ssl_info->connection_status |= SSL_CONNECTION_VERSION_FALLBACK;
+
+  return true;
 }
 
 void SSLClientSocketMac::GetSSLCertRequestInfo(