Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/ui/webui/policy_ui_handler.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.
 
 #include "chrome/browser/ui/webui/policy_ui_handler.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 156 matching lines @@
     dict->SetString("domain", gaia::ExtractDomainName(username));
 }
 
 // Utility function that returns a JSON serialization of the given |dict|.
 std::unique_ptr<base::StringValue> DictionaryToJSONString(
     const base::DictionaryValue& dict) {
   std::string json_string;
   base::JSONWriter::WriteWithOptions(dict,
                                      base::JSONWriter::OPTIONS_PRETTY_PRINT,
                                      &json_string);
-  return base::WrapUnique(new base::StringValue(json_string));
+  return base::MakeUnique<base::StringValue>(json_string);
 }
 
 // Returns a copy of |value| with some values converted to a representation that
 // i18n_template.js will display in a nicer way.
 std::unique_ptr<base::Value> CopyAndConvert(const base::Value* value) {
   const base::DictionaryValue* dict = NULL;
   if (value->GetAsDictionary(&dict))
     return DictionaryToJSONString(*dict);
 
   std::unique_ptr<base::Value> copy = value->CreateDeepCopy();
@@ skipping 555 matching lines @@
 }
 
 void PolicyUIHandler::OnRefreshPoliciesDone() const {
   web_ui()->CallJavascriptFunctionUnsafe("policy.Page.reloadPoliciesDone");
 }
 
 policy::PolicyService* PolicyUIHandler::GetPolicyService() const {
   return policy::ProfilePolicyConnectorFactory::GetForBrowserContext(
              web_ui()->GetWebContents()->GetBrowserContext())->policy_service();
 }