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

chrome/browser/ui/webui/options/supervised_user_import_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/ui/webui/options/supervised_user_import_handler.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <vector>
@@ skipping 20 matching lines @@
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/theme_resources.h"
 
 namespace {
 
 std::unique_ptr<base::ListValue> GetAvatarIcons() {
   std::unique_ptr<base::ListValue> avatar_icons(new base::ListValue);
   for (size_t i = 0; i < profiles::GetDefaultAvatarIconCount(); ++i) {
     std::string avatar_url = profiles::GetDefaultAvatarIconUrl(i);
-    avatar_icons->Append(new base::StringValue(avatar_url));
+    avatar_icons->AppendString(avatar_url);
   }
 
   return avatar_icons;
 }
 
 bool ProfileIsLegacySupervised(const base::FilePath& profile_path) {
   ProfileAttributesEntry* entry;
 
   return g_browser_process->profile_manager()->GetProfileAttributesStorage().
       GetProfileAttributesWithPath(profile_path, &entry) &&
@@ skipping 240 matching lines @@
     const std::string& key) {
   if (key == supervised_users::kChromeAvatarIndex)
     FetchSupervisedUsers();
 }
 
 void SupervisedUserImportHandler::OnErrorChanged() {
   FetchSupervisedUsers();
 }
 
 }  // namespace options