Convert //chrome/installer from scoped_ptr to std::unique_ptr

chrome/installer/util/google_update_settings.cc

 // Copyright (c) 2012 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/installer/util/google_update_settings.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 293 matching lines @@
                << google_update::kRegUsageStatsField << "; result: " << result;
   } else {
     result = key.WriteValue(google_update::kRegUsageStatsField, value);
     LOG_IF(ERROR, result != ERROR_SUCCESS) << "Failed setting "
         << google_update::kRegUsageStatsField << " in key " << reg_path
         << "; result: " << result;
   }
   return (result == ERROR_SUCCESS);
 }
 
-scoped_ptr<metrics::ClientInfo> GoogleUpdateSettings::LoadMetricsClientInfo() {
+std::unique_ptr<metrics::ClientInfo>
+GoogleUpdateSettings::LoadMetricsClientInfo() {
   base::string16 client_id_16;
   if (!ReadGoogleUpdateStrKey(google_update::kRegMetricsId, &client_id_16) ||
       client_id_16.empty()) {
-    return scoped_ptr<metrics::ClientInfo>();
+    return std::unique_ptr<metrics::ClientInfo>();
   }
 
-  scoped_ptr<metrics::ClientInfo> client_info(new metrics::ClientInfo);
+  std::unique_ptr<metrics::ClientInfo> client_info(new metrics::ClientInfo);
   client_info->client_id = base::UTF16ToUTF8(client_id_16);
 
   base::string16 installation_date_str;
   if (ReadGoogleUpdateStrKey(google_update::kRegMetricsIdInstallDate,
                              &installation_date_str)) {
     base::StringToInt64(installation_date_str, &client_info->installation_date);
   }
 
   base::string16 reporting_enbaled_date_date_str;
   if (ReadGoogleUpdateStrKey(google_update::kRegMetricsIdEnabledDate,
@@ skipping 666 matching lines @@
   }
 
   // If the key or value was not present, return the empty string.
   if (result == ERROR_FILE_NOT_FOUND || result == ERROR_PATH_NOT_FOUND) {
     experiment_labels->clear();
     return true;
   }
 
   return result == ERROR_SUCCESS;
 }