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

remoting/host/continue_window_chromeos.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 "remoting/host/continue_window.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "remoting/base/string_resources.h"
 #include "remoting/host/chromeos/message_box.h"
@@ skipping 47 matching lines @@
 }
 
 void ContinueWindowAura::HideUi() {
   message_box_->Hide();
 }
 
 }  // namespace
 
 // static
 std::unique_ptr<HostWindow> HostWindow::CreateContinueWindow() {
-  return base::WrapUnique(new ContinueWindowAura());
+  return base::MakeUnique<ContinueWindowAura>();
 }
 
 }  // namespace remoting