Disable CREDENTIALS frames when using spdy/2.1 or earlier.

net/socket/ssl_client_socket.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_H_
 #pragma once
 
 #include <string>
 
@@ skipping 69 matching lines @@
   // Next Protocol Negotiation (NPN), if successful, results in agreement on an
   // application-level string that specifies the application level protocol to
   // use over the TLS connection. NextProto enumerates the application level
   // protocols that we recognise.
   enum NextProto {
     kProtoUnknown = 0,
     kProtoHTTP11 = 1,
     kProtoSPDY1 = 2,
     kProtoSPDY2 = 3,
     kProtoSPDY21 = 4,
+    kProtoSPDY3 = 5,
   };
 
   // Gets the SSL connection information of the socket.
   //
   // TODO(sergeyu): Move this method to the SSLSocket interface and
   // implemented in SSLServerSocket too.
   virtual void GetSSLInfo(SSLInfo* ssl_info) = 0;
 
   // Gets the SSL CertificateRequest info of the socket after Connect failed
   // with ERR_SSL_CLIENT_AUTH_CERT_NEEDED.
@@ skipping 65 matching lines @@
   // Protocol that we negotiated with the server.
   SSLClientSocket::NextProto protocol_negotiated_;
   // Type of the origin bound cert that was sent, or CLIENT_CERT_INVALID_TYPE
   // if none was sent.
   SSLClientCertType origin_bound_cert_type_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_H_