Remove ListValue::Append(new {Fundamental,String}Value(...)) pattern in //chrome

chrome/browser/extensions/api/bluetooth_low_energy/utils.cc

 // Copyright 2014 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/extensions/api/bluetooth_low_energy/utils.h"
 
 #include <stddef.h>
 #include <iterator>
 #include <vector>
 
 #include "base/logging.h"
 
 namespace extensions {
 namespace api {
 namespace bluetooth_low_energy {
 
 namespace {
 
 // Converts a list of CharacteristicProperty to a base::ListValue of strings.
 std::unique_ptr<base::ListValue> CharacteristicPropertiesToValue(
     const std::vector<CharacteristicProperty> properties) {
   std::unique_ptr<base::ListValue> property_list(new base::ListValue());
   for (std::vector<CharacteristicProperty>::const_iterator iter =
            properties.begin();
        iter != properties.end();
        ++iter)
-    property_list->Append(new base::StringValue(ToString(*iter)));
+    property_list->AppendString(ToString(*iter));
   return property_list;
 }
 
 }  // namespace
 
 std::unique_ptr<base::DictionaryValue> CharacteristicToValue(
     Characteristic* from) {
   // Copy the properties. Use Characteristic::ToValue to generate the result
   // dictionary without the properties, to prevent json_schema_compiler from
   // failing.
@@ skipping 19 matching lines @@
   to->GetDictionaryWithoutPathExpansion("characteristic", &chrc_value);
   DCHECK(chrc_value);
   chrc_value->SetWithoutPathExpansion(
       "properties", CharacteristicPropertiesToValue(properties).release());
   return to;
 }
 
 }  // namespace bluetooth_low_energy
 }  // namespace api
 }  // namespace extensions