Update Token Binding TLS Extension number to IANA-allocated number

net/socket/ssl_client_socket_openssl.cc

Index: net/socket/ssl_client_socket_openssl.cc
diff --git a/net/socket/ssl_client_socket_openssl.cc b/net/socket/ssl_client_socket_openssl.cc
index 355fd508ace5afaa4a4a108e48c643476c240555..ed0dff271c511ba67c76b441de08d56f828017ee 100644
--- a/net/socket/ssl_client_socket_openssl.cc
+++ b/net/socket/ssl_client_socket_openssl.cc
@@ -83,7 +83,7 @@ const char kDefaultSupportedNPNProtocol[] = "http/1.1";
 const int KDefaultOpenSSLBufferSize = 17 * 1024;
 
 // TLS extension number use for Token Binding.
-const unsigned int kTbExtNum = 30033;
+const unsigned int kTbExtNum = 24;
 
 // Token Binding ProtocolVersions supported.
 const uint8_t kTbProtocolVersionMajor = 0;