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

chrome/installer/setup/setup_main.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 "chrome/installer/setup/setup_main.h"
 
 #include <windows.h>
 #include <msi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 958 matching lines @@
   if (!chrome_exe.IsAbsolute())
     chrome_exe = base::MakeAbsoluteFilePath(chrome_exe);
 
   installer::InstallStatus status = installer::FIRST_INSTALL_SUCCESS;
   if (base::PathExists(chrome_exe)) {
     Product chrome(chrome_dist);
 
     // Create the Start menu shortcut and pin it to the Win7+ taskbar.
     ShellUtil::ShortcutProperties shortcut_properties(ShellUtil::CURRENT_USER);
     chrome.AddDefaultShortcutProperties(chrome_exe, &shortcut_properties);
-    if (InstallUtil::ShouldInstallMetroProperties())
-      shortcut_properties.set_dual_mode(true);
     shortcut_properties.set_pin_to_taskbar(true);
     ShellUtil::CreateOrUpdateShortcut(
         ShellUtil::SHORTCUT_LOCATION_START_MENU_ROOT, chrome_dist,
         shortcut_properties, ShellUtil::SHELL_SHORTCUT_CREATE_ALWAYS);
 
     // Register Chrome at user-level and make it default.
     scoped_ptr<WorkItemList> delegate_execute_list(
         WorkItem::CreateWorkItemList());
     installer::AddDelegateExecuteWorkItems(
         installer_state, chrome_exe.DirName(), Version(), chrome,
@@ skipping 784 matching lines @@
     // Note that we allow the status installer::UNINSTALL_REQUIRES_REBOOT
     // to pass through, since this is only returned on uninstall which is
     // never invoked directly by Google Update.
     return_code = InstallUtil::GetInstallReturnCode(install_status);
   }
 
   VLOG(1) << "Installation complete, returning: " << return_code;
 
   return return_code;
 }