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

chrome/browser/extensions/policy_handlers.cc

 // Copyright 2013 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/policy_handlers.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/logging.h"
@@ skipping 73 matching lines @@
                        IDS_POLICY_TYPE_ERROR,
                        ValueTypeToString(base::Value::TYPE_STRING));
       continue;
     }
     if (!(allow_wildcards_ && id == "*") && !crx_file::id_util::IdIsValid(id)) {
       errors->AddError(policy_name(),
                        entry - list_value->begin(),
                        IDS_POLICY_VALUE_FORMAT_ERROR);
       continue;
     }
-    filtered_list->Append(new base::StringValue(id));
+    filtered_list->AppendString(id);
   }
 
   if (extension_ids)
     *extension_ids = std::move(filtered_list);
 
   return true;
 }
 
 // ExtensionInstallForcelistPolicyHandler implementation -----------------------
 
@@ skipping 215 matching lines @@
 void ExtensionSettingsPolicyHandler::ApplyPolicySettings(
     const policy::PolicyMap& policies,
     PrefValueMap* prefs) {
   std::unique_ptr<base::Value> policy_value;
   if (!CheckAndGetValue(policies, NULL, &policy_value) || !policy_value)
     return;
   prefs->SetValue(pref_names::kExtensionManagement, std::move(policy_value));
 }
 
 }  // namespace extensions