Integrate the Windows 8 code into the Chromium tree.

win8/metro_driver/settings_handler.h

Index: win8/metro_driver/settings_handler.h
diff --git a/win8/metro_driver/settings_handler.h b/win8/metro_driver/settings_handler.h
new file mode 100644
index 0000000000000000000000000000000000000000..5b234ad12e1d2a7aa08b328e81faf094f6034336
--- /dev/null
+++ b/win8/metro_driver/settings_handler.h
@@ -0,0 +1,44 @@
+// 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_