Update Token Binding code to the latest drafts

net/http/proxy_connect_redirect_http_stream.h

 // Copyright 2013 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_HTTP_PROXY_CONNECT_REDIRECT_HTTP_STREAM_H_
 #define NET_HTTP_PROXY_CONNECT_REDIRECT_HTTP_STREAM_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 40 matching lines @@
 
   int64_t GetTotalReceivedBytes() const override;
   int64_t GetTotalSentBytes() const override;
 
   // This function may be called.
   bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override;
 
   void GetSSLInfo(SSLInfo* ssl_info) override;
   void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override;
   bool GetRemoteEndpoint(IPEndPoint* endpoint) override;
-  Error GetSignedEKMForTokenBinding(crypto::ECPrivateKey* key,
-                                    std::vector<uint8_t>* out) override;
+  Error GetTokenBindingSignature(crypto::ECPrivateKey* key,
+                                 TokenBindingType tb_type,
+                                 std::vector<uint8_t>* out) override;
   void Drain(HttpNetworkSession* session) override;
   void PopulateNetErrorDetails(NetErrorDetails* details) override;
 
   // This function may be called.
   void SetPriority(RequestPriority priority) override;
 
   HttpStream* RenewStreamForAuth() override;
 
  private:
   bool has_load_timing_info_;
   LoadTimingInfo load_timing_info_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_PROXY_CONNECT_REDIRECT_HTTP_STREAM_H_