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

extensions/browser/extension_prefs.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 "extensions/browser/extension_prefs.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <iterator>
@@ skipping 614 matching lines @@
 static base::ListValue* CreatePermissionList(const T& permissions) {
   base::ListValue* values = new base::ListValue();
   for (typename T::const_iterator i = permissions.begin();
       i != permissions.end(); ++i) {
     std::unique_ptr<base::Value> detail(i->ToValue());
     if (detail) {
       base::DictionaryValue* tmp = new base::DictionaryValue();
       tmp->Set(i->name(), detail.release());
       values->Append(tmp);
     } else {
-      values->Append(new base::StringValue(i->name()));
+      values->AppendString(i->name());
     }
   }
   return values;
 }
 
 void ExtensionPrefs::SetExtensionPrefPermissionSet(
     const std::string& extension_id,
     const std::string& pref_key,
     const PermissionSet& new_value) {
   std::string api_pref = JoinPrefs(pref_key, kPrefAPIs);
@@ skipping 1185 matching lines @@
 
 template <class ExtensionIdContainer>
 void ExtensionPrefs::SetExtensionPrefFromContainer(
     const char* pref,
     const ExtensionIdContainer& strings) {
   ListPrefUpdate update(prefs_, pref);
   base::ListValue* list_of_values = update.Get();
   list_of_values->Clear();
   for (typename ExtensionIdContainer::const_iterator iter = strings.begin();
        iter != strings.end(); ++iter) {
-    list_of_values->Append(new base::StringValue(*iter));
+    list_of_values->AppendString(*iter);
   }
 }
 
 void ExtensionPrefs::PopulateExtensionInfoPrefs(
     const Extension* extension,
     const base::Time install_time,
     Extension::State initial_state,
     int install_flags,
     const std::string& install_parameter,
     base::DictionaryValue* extension_dict) const {
@@ skipping 134 matching lines @@
   extension_pref_value_map_->RegisterExtension(
       extension_id, install_time, is_enabled, is_incognito_enabled);
 
   FOR_EACH_OBSERVER(
       ExtensionPrefsObserver,
       observer_list_,
       OnExtensionRegistered(extension_id, install_time, is_enabled));
 }
 
 }  // namespace extensions