views: Extract SystemMenuModel from native_menu_win.*.

ui/views/controls/menu/native_menu_win.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 "ui/views/controls/menu/native_menu_win.h"
 
 #include <Windowsx.h>
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/win/wrapped_window_proc.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_win.h"
+#include "ui/base/models/menu_model.h"
 #include "ui/base/win/hwnd_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/native_theme.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/controls/menu/menu_2.h"
 #include "ui/views/controls/menu/menu_config.h"
 #include "ui/views/controls/menu/menu_listener.h"
 
 using gfx::NativeTheme;
@@ skipping 702 matching lines @@
 
 void NativeMenuWin::CreateHostWindow() {
   // This only gets called from RunMenuAt, and as such there is only ever one
   // host window per menu hierarchy, no matter how many NativeMenuWin objects
   // exist wrapping submenus.
   if (!host_window_.get())
     host_window_.reset(new MenuHostWindow(this));
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// SystemMenuModel:
-
-SystemMenuModel::SystemMenuModel(ui::SimpleMenuModel::Delegate* delegate)
-    : SimpleMenuModel(delegate) {
-}
-
-SystemMenuModel::~SystemMenuModel() {
-}
-
-int SystemMenuModel::GetFirstItemIndex(gfx::NativeMenu native_menu) const {
-  // We allow insertions before last item (Close).
-  return std::max(0, GetMenuItemCount(native_menu) - 1);
-}
-
-////////////////////////////////////////////////////////////////////////////////
 // MenuWrapper, public:
 
 // static
 MenuWrapper* MenuWrapper::CreateWrapper(Menu2* menu) {
   return new NativeMenuWin(menu->model(), NULL);
 }
 
 }  // namespace views