Remove win8/metro_driver

win8/metro_driver/devices_handler.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 "stdafx.h"
-#include "win8/metro_driver/devices_handler.h"
-
-#include "base/logging.h"
-
-namespace metro_driver {
-
-DevicesHandler::DevicesHandler() {
-}
-
-DevicesHandler::~DevicesHandler() {
-}
-
-HRESULT DevicesHandler::Initialize(winui::Core::ICoreWindow* window) {
-  HRESULT hr = print_handler_.Initialize(window);
-  return hr;
-}
-
-}  // namespace metro_driver