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

remoting/host/pam_authorization_factory_posix.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 "remoting/host/pam_authorization_factory_posix.h"
 
 #include <security/pam_appl.h>
 
 #include <utility>
 
@@ skipping 155 matching lines @@
     std::unique_ptr<protocol::AuthenticatorFactory> underlying)
     : underlying_(std::move(underlying)) {}
 
 PamAuthorizationFactory::~PamAuthorizationFactory() {}
 
 std::unique_ptr<protocol::Authenticator>
 PamAuthorizationFactory::CreateAuthenticator(const std::string& local_jid,
                                              const std::string& remote_jid) {
   std::unique_ptr<protocol::Authenticator> authenticator(
       underlying_->CreateAuthenticator(local_jid, remote_jid));
-  return base::WrapUnique(new PamAuthorizer(std::move(authenticator)));
+  return base::MakeUnique<PamAuthorizer>(std::move(authenticator));
 }
 
 }  // namespace remoting