Convert //chrome/browser/safe_browsing from scoped_ptr to std::unique_ptr

chrome/browser/safe_browsing/incident_reporting/variations_seed_signature_incident.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 CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_VARIATIONS_SEED_SIGNATURE_INCIDENT_H_
 #define CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_VARIATIONS_SEED_SIGNATURE_INCIDENT_H_
 
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/safe_browsing/incident_reporting/incident.h"
 
 namespace safe_browsing {
 
 class ClientIncidentReport_IncidentData_VariationsSeedSignatureIncident;
 
 // An incident representing an invalid variations seed signature.
 class VariationsSeedSignatureIncident : public Incident {
  public:
-  explicit VariationsSeedSignatureIncident(scoped_ptr<
-      ClientIncidentReport_IncidentData_VariationsSeedSignatureIncident>
-                                               variations_seed_signature);
+  explicit VariationsSeedSignatureIncident(
+      std::unique_ptr<
+          ClientIncidentReport_IncidentData_VariationsSeedSignatureIncident>
+          variations_seed_signature);
   ~VariationsSeedSignatureIncident() override;
 
   // Incident methods:
   IncidentType GetType() const override;
   std::string GetKey() const override;
   uint32_t ComputeDigest() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VariationsSeedSignatureIncident);
 };
 
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_INCIDENT_REPORTING_VARIATIONS_SEED_SIGNATURE_INCIDENT_H_