Update Token Binding code to the latest drafts

net/http/http_network_transaction_unittest.cc

Index: net/http/http_network_transaction_unittest.cc
diff --git a/net/http/http_network_transaction_unittest.cc b/net/http/http_network_transaction_unittest.cc
index ae1cb31b40556f225df67f227754ce74fc7e26f1..000d7e102d9cd0717c24a3003334ca3af0a0513f 100644
--- a/net/http/http_network_transaction_unittest.cc
+++ b/net/http/http_network_transaction_unittest.cc
@@ -14193,8 +14193,9 @@ class FakeStream : public HttpStream,
 
   bool GetRemoteEndpoint(IPEndPoint* endpoint) override { return false; }
 
-  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 {
     ADD_FAILURE();
     return ERR_NOT_IMPLEMENTED;
   }
@@ -14427,8 +14428,9 @@ class FakeWebSocketBasicHandshakeStream : public WebSocketHandshakeStreamBase {
 
   bool GetRemoteEndpoint(IPEndPoint* endpoint) override { return false; }
 
-  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 {
     ADD_FAILURE();
     return ERR_NOT_IMPLEMENTED;
   }