Add TLS-SRP (RFC 5054) support

net/http/http_response_info.h

Index: net/http/http_response_info.h
diff --git a/net/http/http_response_info.h b/net/http/http_response_info.h
index 4fbea3d4ad77cc2e12270c59a3f4349c6fc0b2c2..3e7207284df74bc7b4d0b1d885513a6e40eb4b30 100644
--- a/net/http/http_response_info.h
+++ b/net/http/http_response_info.h
@@ -78,6 +78,10 @@ class HttpResponseInfo {
   // challenge, client certificate request is not part of an HTTP response.
   scoped_refptr<SSLCertRequestInfo> cert_request_info;
 
+  // The SSL client login request info.
+  // TODO(wtc): if cert_request_info doesn't belong here, then neither does this
+  scoped_refptr<AuthChallengeInfo> login_request_info;
+
   // The SSL connection info (if HTTPS).
   SSLInfo ssl_info;