Remove win8/metro_driver

win8/metro_driver/settings_handler.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_METRO_DRIVER_SETTINGS_HANDLER_H_
-#define CHROME_BROWSER_UI_METRO_DRIVER_SETTINGS_HANDLER_H_
-
-#include <windows.ui.applicationsettings.h>
-#include <windows.ui.popups.h>
-
-#include "winrt_utils.h"
-
-// This class handles the settings charm.
-class SettingsHandler {
- public:
-  SettingsHandler();
-  ~SettingsHandler();
-
-  HRESULT Initialize();
-
- private:
-  typedef winfoundtn::Collections::IVector<
-      winui::ApplicationSettings::SettingsCommand*> ISettingsCommandVector;
-
-  HRESULT OnSettingsCommandsRequested(
-      winui::ApplicationSettings::ISettingsPane* settings_pane,
-      winui::ApplicationSettings::
-          ISettingsPaneCommandsRequestedEventArgs* args);
-
-  HRESULT AppendNewSettingsCommand(
-      const wchar_t* id,
-      const wchar_t* name,
-      winui::ApplicationSettings::ISettingsCommandFactory*
-          settings_command_factory,
-      ISettingsCommandVector* settings_command_vector);
-
-  static HRESULT OnSettings(winui::Popups::IUICommand* command);
-  static HRESULT GetSettingsId(const wchar_t* value,
-                               winfoundtn::IPropertyValue** settings_id);
-
-  EventRegistrationToken settings_token_;
-};
-
-#endif  // CHROME_BROWSER_UI_METRO_DRIVER_SETTINGS_HANDLER_H_