Remove base/win/metro.{cc|h} and some associated code

chrome/browser/ui/views/app_list/win/app_list_controller_delegate_win.cc

 // Copyright 2013 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 "chrome/browser/ui/views/app_list/win/app_list_controller_delegate_win.h"
 
-#include "chrome/browser/metro_utils/metro_chrome_win.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_list_icon_win.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "extensions/browser/app_window/app_window.h"
 #include "extensions/browser/app_window/app_window_registry.h"
 #include "ui/base/resource/resource_bundle.h"
 
 AppListControllerDelegateWin::AppListControllerDelegateWin(
     AppListServiceViews* service)
     : AppListControllerDelegateViews(service) {}
 
 AppListControllerDelegateWin::~AppListControllerDelegateWin() {}
 
 bool AppListControllerDelegateWin::ForceNativeDesktop() const {
   return true;
 }
 
 gfx::ImageSkia AppListControllerDelegateWin::GetWindowIcon() {
   gfx::ImageSkia* resource = ResourceBundle::GetSharedInstance().
       GetImageSkiaNamed(GetAppListIconResourceId());
   return *resource;
 }
 
 void AppListControllerDelegateWin::FillLaunchParams(AppLaunchParams* params) {
   params->desktop_type = chrome::HOST_DESKTOP_TYPE_NATIVE;
-  extensions::AppWindow* any_existing_window =
-      extensions::AppWindowRegistry::Get(params->profile)
-          ->GetCurrentAppWindowForApp(params->extension_id);
-  if (any_existing_window &&
-      chrome::GetHostDesktopTypeForNativeWindow(
-          any_existing_window->GetNativeWindow())
-      != chrome::HOST_DESKTOP_TYPE_NATIVE) {
-    params->desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
-    chrome::ActivateMetroChrome();
-  }
 }