net: remove UsingTCPFastOpen() method from StreamSocket class

net/socket/ssl_client_socket_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "net/socket/ssl_client_socket.h"
 
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/files/file_util.h"
@@ skipping 85 matching lines @@
   }
   int GetLocalAddress(IPEndPoint* address) const override {
     return transport_->GetLocalAddress(address);
   }
   const BoundNetLog& NetLog() const override { return transport_->NetLog(); }
   void SetSubresourceSpeculation() override {
     transport_->SetSubresourceSpeculation();
   }
   void SetOmniboxSpeculation() override { transport_->SetOmniboxSpeculation(); }
   bool WasEverUsed() const override { return transport_->WasEverUsed(); }
-  bool UsingTCPFastOpen() const override {
-    return transport_->UsingTCPFastOpen();
-  }
   bool WasNpnNegotiated() const override {
     return transport_->WasNpnNegotiated();
   }
   NextProto GetNegotiatedProtocol() const override {
     return transport_->GetNegotiatedProtocol();
   }
   bool GetSSLInfo(SSLInfo* ssl_info) override {
     return transport_->GetSSLInfo(ssl_info);
   }
   void GetConnectionAttempts(ConnectionAttempts* out) const override {
@@ skipping 3249 matching lines @@
   SSLInfo ssl_info;
   ASSERT_TRUE(sock_->GetSSLInfo(&ssl_info));
   EXPECT_TRUE(ssl_info.client_cert_sent);
 
   sock_->Disconnect();
   EXPECT_FALSE(sock_->IsConnected());
 }
 #endif  // defined(USE_OPENSSL)
 
 }  // namespace net