Remove spake2_plain authentication method.

remoting/protocol/negotiating_host_authenticator.h

 // Copyright 2013 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.
 
 #ifndef REMOTING_PROTOCOL_NEGOTIATING_HOST_AUTHENTICATOR_H_
 #define REMOTING_PROTOCOL_NEGOTIATING_HOST_AUTHENTICATOR_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 12 matching lines @@
 namespace protocol {
 
 class TokenValidatorFactory;
 
 // Host-side implementation of NegotiatingAuthenticatorBase.
 // See comments in negotiating_authenticator_base.h for a general explanation.
 class NegotiatingHostAuthenticator : public NegotiatingAuthenticatorBase {
  public:
   ~NegotiatingHostAuthenticator() override;
 
-  // Creates a host authenticator for It2Me host.
-  static scoped_ptr<NegotiatingHostAuthenticator> CreateForIt2Me(
+  // Creates a host authenticator, using a PIN or access code. If
+  // |pairing_registry| is non-nullptr then the paired methods will be offered,
+  // supporting PIN-less authentication.
+  static scoped_ptr<NegotiatingHostAuthenticator> CreateWithSharedSecret(
       const std::string& local_id,
       const std::string& remote_id,
       const std::string& local_cert,
-      scoped_refptr<RsaKeyPair> key_pair,
-      const std::string& access_code);
-
-  // Creates a host authenticator, using a fixed PIN. If |pairing_registry| is
-  // non-nullptr then the paired methods will be offered, supporting
-  // PIN-less authentication.
-  static scoped_ptr<NegotiatingHostAuthenticator> CreateWithPin(
-      const std::string& local_id,
-      const std::string& remote_id,
-      const std::string& local_cert,
       scoped_refptr<RsaKeyPair> key_pair,
       const std::string& pin_hash,
       scoped_refptr<PairingRegistry> pairing_registry);
 
   // Creates a host authenticator, using third party authentication.
   static scoped_ptr<NegotiatingHostAuthenticator> CreateWithThirdPartyAuth(
       const std::string& local_id,
       const std::string& remote_id,
       const std::string& local_cert,
       scoped_refptr<RsaKeyPair> key_pair,
@@ skipping 33 matching lines @@
 
   std::string client_id_;
 
   DISALLOW_COPY_AND_ASSIGN(NegotiatingHostAuthenticator);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_NEGOTIATING_HOST_AUTHENTICATOR_H_