Convert //remoting to use std::unique_ptr

remoting/protocol/spake2_authenticator.h

 // Copyright 2016 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_SPAKE2_AUTHENTICATOR_H_
 #define REMOTING_PROTOCOL_SPAKE2_AUTHENTICATOR_H_
 
+#include <memory>
 #include <queue>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "remoting/protocol/authenticator.h"
 
 typedef struct spake2_ctx_st SPAKE2_CTX;
 
 namespace remoting {
 
 class RsaKeyPair;
 
 namespace protocol {
 
 // Authenticator that uses SPAKE2 implementation from BoringSSL. It
 // implements SPAKE2 over Curve25519.
 class Spake2Authenticator : public Authenticator {
  public:
-  static scoped_ptr<Authenticator> CreateForClient(
+  static std::unique_ptr<Authenticator> CreateForClient(
       const std::string& local_id,
       const std::string& remote_id,
       const std::string& shared_secret,
       State initial_state);
 
-  static scoped_ptr<Authenticator> CreateForHost(
+  static std::unique_ptr<Authenticator> CreateForHost(
       const std::string& local_id,
       const std::string& remote_id,
       const std::string& local_cert,
       scoped_refptr<RsaKeyPair> key_pair,
       const std::string& shared_secret,
       State initial_state);
 
   ~Spake2Authenticator() override;
 
   // Authenticator interface.
   State state() const override;
   bool started() const override;
   RejectionReason rejection_reason() const override;
   void ProcessMessage(const buzz::XmlElement* message,
                       const base::Closure& resume_callback) override;
-  scoped_ptr<buzz::XmlElement> GetNextMessage() override;
+  std::unique_ptr<buzz::XmlElement> GetNextMessage() override;
   const std::string& GetAuthKey() const override;
-  scoped_ptr<ChannelAuthenticator> CreateChannelAuthenticator() const override;
+  std::unique_ptr<ChannelAuthenticator> CreateChannelAuthenticator()
+      const override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(Spake2AuthenticatorTest, InvalidSecret);
 
   Spake2Authenticator(const std::string& local_id,
                       const std::string& remote_id,
                       const std::string& shared_secret,
                       bool is_host,
                       State initial_state);
 
@@ skipping 26 matching lines @@
   std::string auth_key_;
   std::string expected_verification_hash_;
 
   DISALLOW_COPY_AND_ASSIGN(Spake2Authenticator);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_SPAKE2_AUTHENTICATOR_H_