Use std::unique_ptr for base::DictionaryValue and base::ListValue's internal store.

dbus/values_util.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 "dbus/values_util.h"
 
 #include <memory>
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
@@ skipping 261 matching lines @@
         array_writer.CloseContainer(&dict_entry_writer);
       }
       writer->CloseContainer(&array_writer);
       break;
     }
     case base::Value::TYPE_LIST: {
       const base::ListValue* list = NULL;
       value.GetAsList(&list);
       dbus::MessageWriter array_writer(NULL);
       writer->OpenArray("v", &array_writer);
-      for (base::ListValue::const_iterator iter = list->begin();
-           iter != list->end(); ++iter) {
-        const base::Value* value = *iter;
+      for (const auto& value : *list) {
         AppendValueDataAsVariant(&array_writer, *value);
       }
       writer->CloseContainer(&array_writer);
       break;
     }
     case base::Value::TYPE_BOOLEAN:
     case base::Value::TYPE_INTEGER:
     case base::Value::TYPE_DOUBLE:
     case base::Value::TYPE_STRING:
       AppendBasicTypeValueData(writer, value);
       break;
     default:
       DLOG(ERROR) << "Unexpected type: " << value.GetType();
   }
 }
 
 void AppendValueDataAsVariant(MessageWriter* writer, const base::Value& value) {
   MessageWriter variant_writer(NULL);
   writer->OpenVariant(GetTypeSignature(value), &variant_writer);
   AppendValueData(&variant_writer, value);
   writer->CloseContainer(&variant_writer);
 }
 
 }  // namespace dbus