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

components/proximity_auth/cryptauth/cryptauth_enroller.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_CRYPTAUTH_ENROLLER_H
 #define COMPONENTS_PROXIMITY_AUTH_CRYPTAUTH_ENROLLER_H
 
+#include <memory>
 #include <string>
 
 #include "base/callback_forward.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/proximity_auth/cryptauth/proto/cryptauth_api.pb.h"
 
 namespace proximity_auth {
 
 // Interface for enrolling a device with CryptAuth.
 class CryptAuthEnroller {
  public:
   virtual ~CryptAuthEnroller() {}
 
   // Enrolls the device:
@@ skipping 10 matching lines @@
                       const cryptauth::GcmDeviceInfo& device_info,
                       cryptauth::InvocationReason invocation_reason,
                       const EnrollmentFinishedCallback& callback) = 0;
 };
 
 // Interface for creating CryptAuthEnroller instances.
 class CryptAuthEnrollerFactory {
  public:
   virtual ~CryptAuthEnrollerFactory() {}
 
-  virtual scoped_ptr<CryptAuthEnroller> CreateInstance() = 0;
+  virtual std::unique_ptr<CryptAuthEnroller> CreateInstance() = 0;
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_CRYPTAUTH_ENROLLER_H