Unwind the SSL connection holdback experiment and remove related code

net/socket/ssl_client_socket_nss.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.
 
 // This file includes code SSLClientSocketNSS::DoVerifyCertComplete() derived
 // from AuthCertificateCallback() in
 // mozilla/security/manager/ssl/src/nsNSSCallbacks.cpp.
 
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
@@ skipping 2907 matching lines @@
                 << " for cipherSuite " << cipher_suite;
   }
 
   ssl_info->handshake_type = core_->state().resumed_handshake ?
       SSLInfo::HANDSHAKE_RESUME : SSLInfo::HANDSHAKE_FULL;
 
   LeaveFunction("");
   return true;
 }
 
-std::string SSLClientSocketNSS::GetSessionCacheKey() const {
-  NOTIMPLEMENTED();
-  return std::string();
-}
-
-bool SSLClientSocketNSS::InSessionCache() const {
-  // For now, always return true so that SSLConnectJobs are never held back.
-  return true;
-}
-
-void SSLClientSocketNSS::SetHandshakeCompletionCallback(
-    const base::Closure& callback) {
-  NOTIMPLEMENTED();
-}
-
 void SSLClientSocketNSS::GetSSLCertRequestInfo(
     SSLCertRequestInfo* cert_request_info) {
   EnterFunction("");
   cert_request_info->host_and_port = host_and_port_;
   cert_request_info->cert_authorities = core_->state().cert_authorities;
   LeaveFunction("");
 }
 
 int SSLClientSocketNSS::ExportKeyingMaterial(const base::StringPiece& label,
                                              bool has_context,
@@ skipping 686 matching lines @@
 scoped_refptr<X509Certificate>
 SSLClientSocketNSS::GetUnverifiedServerCertificateChain() const {
   return core_->state().server_cert.get();
 }
 
 ChannelIDService* SSLClientSocketNSS::GetChannelIDService() const {
   return channel_id_service_;
 }
 
 }  // namespace net