Convert //components/proximity_auth from scoped_ptr to std::unique_ptr

components/proximity_auth/authenticator.h

 // Copyright 2015 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 COMPONENTS_PROXIMITY_AUTH_AUTHENTICATOR_H
 #define COMPONENTS_PROXIMITY_AUTH_AUTHENTICATOR_H
 
+#include <memory>
+
 #include "base/callback_forward.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace proximity_auth {
 
 class SecureContext;
 
 // Interface for authenticating the remote connection. The two devices
 // authenticate each other, and if the protocol succeeds, establishes a
 // SecureContext that is used to securely encode and decode all messages sent
 // and received over the connection.
 // Do not reuse after calling |Authenticate()|.
 class Authenticator {
  public:
   // The result of the authentication protocol.
   enum class Result {
     SUCCESS,
     DISCONNECTED,
     FAILURE,
   };
 
   virtual ~Authenticator() {}
 
   // Initiates the authentication attempt, invoking |callback| with the result.
   // If the authentication protocol succeeds, then |secure_context| will be
   // contain the SecureContext used to securely exchange messages. Otherwise, it
   // will be null if the protocol fails.
   typedef base::Callback<void(Result result,
-                              scoped_ptr<SecureContext> secure_context)>
+                              std::unique_ptr<SecureContext> secure_context)>
       AuthenticationCallback;
   virtual void Authenticate(const AuthenticationCallback& callback) = 0;
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_AUTHENTICATOR_H