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

chrome/browser/extensions/api/messaging/native_messaging_policy_handler.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/messaging/native_messaging_policy_handler.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "chrome/browser/extensions/api/messaging/native_messaging_host_manifest.h"
@@ skipping 64 matching lines @@
                        ValueTypeToString(base::Value::TYPE_STRING));
       continue;
     }
     if (!(allow_wildcards_ && name == "*") &&
         !NativeMessagingHostManifest::IsValidName(name)) {
       errors->AddError(policy_name(),
                        entry - list_value->begin(),
                        IDS_POLICY_VALUE_FORMAT_ERROR);
       continue;
     }
-    filtered_list->Append(new base::StringValue(name));
+    filtered_list->AppendString(name);
   }
 
   if (names)
     *names = std::move(filtered_list);
 
   return true;
 }
 
 }  // namespace extensions