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

remoting/host/disconnect_window_linux.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 <gtk/gtk.h>
 #include <math.h>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 272 matching lines @@
                              event->x_root,
                              event->y_root,
                              event->time);
   return FALSE;
 }
 
 }  // namespace
 
 // static
 std::unique_ptr<HostWindow> HostWindow::CreateDisconnectWindow() {
-  return base::WrapUnique(new DisconnectWindowGtk());
+  return base::MakeUnique<DisconnectWindowGtk>();
 }
 
 }  // namespace remoting