net: remove UsingTCPFastOpen() method from StreamSocket class

net/socket/ssl_server_socket_openssl.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_server_socket_openssl.h"
 
 #include <openssl/err.h>
 #include <openssl/ssl.h>
 #include <utility>
 
@@ skipping 71 matching lines @@
   int Connect(const CompletionCallback& callback) override;
   void Disconnect() override;
   bool IsConnected() const override;
   bool IsConnectedAndIdle() const override;
   int GetPeerAddress(IPEndPoint* address) const override;
   int GetLocalAddress(IPEndPoint* address) const override;
   const BoundNetLog& NetLog() const override;
   void SetSubresourceSpeculation() override;
   void SetOmniboxSpeculation() override;
   bool WasEverUsed() const override;
-  bool UsingTCPFastOpen() const override;
   bool WasNpnNegotiated() const override;
   NextProto GetNegotiatedProtocol() const override;
   bool GetSSLInfo(SSLInfo* ssl_info) override;
   void GetConnectionAttempts(ConnectionAttempts* out) const override;
   void ClearConnectionAttempts() override {}
   void AddConnectionAttempts(const ConnectionAttempts& attempts) override {}
   int64_t GetTotalReceivedBytes() const override;
   static int CertVerifyCallback(X509_STORE_CTX* store_ctx, void* arg);
 
  private:
@@ skipping 243 matching lines @@
 }
 
 void SSLServerSocketOpenSSL::SetOmniboxSpeculation() {
   transport_socket_->SetOmniboxSpeculation();
 }
 
 bool SSLServerSocketOpenSSL::WasEverUsed() const {
   return transport_socket_->WasEverUsed();
 }
 
-bool SSLServerSocketOpenSSL::UsingTCPFastOpen() const {
-  return transport_socket_->UsingTCPFastOpen();
-}
-
 bool SSLServerSocketOpenSSL::WasNpnNegotiated() const {
   NOTIMPLEMENTED();
   return false;
 }
 
 NextProto SSLServerSocketOpenSSL::GetNegotiatedProtocol() const {
   // NPN is not supported by this class.
   return kProtoUnknown;
 }
 
@@ skipping 583 matching lines @@
   SSL* ssl = SSL_new(ssl_ctx_.get());
   return scoped_ptr<SSLServerSocket>(
       new SSLServerSocketOpenSSL(std::move(socket), ssl));
 }
 
 void EnableSSLServerSockets() {
   // No-op because CreateSSLServerSocket() calls crypto::EnsureOpenSSLInit().
 }
 
 }  // namespace net