Update Token Binding code to the latest drafts

net/socket/ssl_client_socket.h

Index: net/socket/ssl_client_socket.h
diff --git a/net/socket/ssl_client_socket.h b/net/socket/ssl_client_socket.h
index ba8142a62b4fd40f19cd9b2e751cf8c424640df0..5d4e49b9972f2c7fb66a2096247816cdc80f727f 100644
--- a/net/socket/ssl_client_socket.h
+++ b/net/socket/ssl_client_socket.h
@@ -16,6 +16,7 @@
 #include "net/base/net_errors.h"
 #include "net/socket/ssl_socket.h"
 #include "net/socket/stream_socket.h"
+#include "net/ssl/token_binding.h"
 
 namespace base {
 class FilePath;
@@ -108,10 +109,12 @@ class NET_EXPORT SSLClientSocket : public SSLSocket {
   // channel ids are not supported.
   virtual ChannelIDService* GetChannelIDService() const = 0;
 
-  // Signs the EKM value for Token Binding with |*key| and puts it in |*out|.
-  // Returns a net error code.
-  virtual Error GetSignedEKMForTokenBinding(crypto::ECPrivateKey* key,
-                                            std::vector<uint8_t>* out) = 0;
+  // Generates the signature used in Token Binding using key |*key| and for a
+  // Token Binding of type |tb_type|, putting the signature in |*out|. Returns a
+  // net error code.
+  virtual Error GetTokenBindingSignature(crypto::ECPrivateKey* key,
+                                         TokenBindingType tb_type,
+                                         std::vector<uint8_t>* out) = 0;
 
   // This method is only for debugging crbug.com/548423 and will be removed when
   // that bug is closed. This returns the channel ID key that was used when