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

chromecast/base/cast_sys_info_util_simple.cc

 // Copyright 2015 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 "chromecast/base/cast_sys_info_util.h"
 
 #include "base/memory/ptr_util.h"
 #include "chromecast/base/cast_sys_info_dummy.h"
 
 namespace chromecast {
 
 // static
 std::unique_ptr<CastSysInfo> CreateSysInfo() {
-  return base::WrapUnique(new CastSysInfoDummy());
+  return base::MakeUnique<CastSysInfoDummy>();
 }
 
 }  // namespace chromecast