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

remoting/protocol/authenticator.cc

 // Copyright (c) 2011 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 "remoting/protocol/authenticator.h"
 
 #include "base/memory/ptr_util.h"
 #include "remoting/base/constants.h"
 #include "third_party/webrtc/libjingle/xmllite/xmlelement.h"
 
 namespace remoting {
 namespace protocol {
 
 namespace {
 const buzz::StaticQName kAuthenticationQName = { kChromotingXmlNamespace,
                                                  "authentication" };
 }  // namespace
 
 // static
 bool Authenticator::IsAuthenticatorMessage(const buzz::XmlElement* message) {
   return message->Name() == kAuthenticationQName;
 }
 
 // static
 std::unique_ptr<buzz::XmlElement>
 Authenticator::CreateEmptyAuthenticatorMessage() {
-  return base::WrapUnique(new buzz::XmlElement(kAuthenticationQName));
+  return base::MakeUnique<buzz::XmlElement>(kAuthenticationQName);
 }
 
 // static
 const buzz::XmlElement* Authenticator::FindAuthenticatorMessage(
     const buzz::XmlElement* message) {
   return message->FirstNamed(kAuthenticationQName);
 }
 
 }  // namespace protocol
 }  // namespace remoting