Convert Pass()→std::move() in //chrome

chrome/browser/safe_browsing/incident_reporting/tracked_preference_incident.cc

 // 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.
 
 #include "chrome/browser/safe_browsing/incident_reporting/tracked_preference_incident.h"
 
 #include "base/logging.h"
 #include "chrome/browser/safe_browsing/incident_reporting/incident_handler_util.h"
 #include "chrome/common/safe_browsing/csd.pb.h"
 
@@ skipping 35 matching lines @@
   scoped_ptr<ClientIncidentReport_IncidentData> payload(
       Incident::TakePayload());
 
   if (is_personal_) {
     ClientIncidentReport_IncidentData_TrackedPreferenceIncident* incident =
         payload->mutable_tracked_preference();
     incident->clear_atomic_value();
     incident->clear_split_key();
   }
 
-  return payload.Pass();
+  return payload;
 }
 
 }  // namespace safe_browsing