Convert //components/[o-t]* from scoped_ptr to std::unique_ptr

components/startup_metric_utils/common/pre_read_field_trial_utils_win.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 "components/startup_metric_utils/common/pre_read_field_trial_utils_win.h"
 
 #include "base/callback.h"
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/registry.h"
 #include "components/variations/variations_associated_data.h"
 
 namespace startup_metric_utils {
 
 namespace {
 
@@ skipping 126 matching lines @@
   base::string16 group;
   key.ReadValue(L"", &group);
 
   if (!group.empty()) {
     register_synthetic_field_trial.Run(kPreReadSyntheticFieldTrialName,
                                        base::UTF16ToUTF8(group));
   }
 }
 
 }  // namespace startup_metric_utils