Update Token Binding code to the latest drafts

net/url_request/url_request_http_job_unittest.cc

Index: net/url_request/url_request_http_job_unittest.cc
diff --git a/net/url_request/url_request_http_job_unittest.cc b/net/url_request/url_request_http_job_unittest.cc
index 15029030ef9fa75109b892a11169277dea3fba0b..8bc38b3f35d66c4405e7398123b9905461976f7a 100644
--- a/net/url_request/url_request_http_job_unittest.cc
+++ b/net/url_request/url_request_http_job_unittest.cc
@@ -894,8 +894,9 @@ class FakeWebSocketHandshakeStream : 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;
   }