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

chrome/browser/extensions/api/proxy/proxy_api_helpers.cc

 // Copyright (c) 2012 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.
 
 // Implementation of helper functions for the Chrome Extensions Proxy Settings
 // API.
 //
 // Throughout this code, we report errors to the user by setting an |error|
 // parameter, if and only if these errors can be cause by invalid input
 // from the extension and we cannot expect that the extensions API has
@@ skipping 477 matching lines @@
   pac_script_dict->SetBoolean(keys::kProxyConfigPacScriptMandatory,
                               pac_mandatory);
   return pac_script_dict.release();
 }
 
 base::ListValue* TokenizeToStringList(const std::string& in,
                                 const std::string& delims) {
   base::ListValue* out = new base::ListValue;
   base::StringTokenizer entries(in, delims);
   while (entries.GetNext())
-    out->Append(new base::StringValue(entries.token()));
+    out->AppendString(entries.token());
   return out;
 }
 
 }  // namespace proxy_api_helpers
 }  // namespace extensions