views: Fix a couple of trivial TODOS.

views/controls/combobox/native_combobox_win.cc

 // Copyright (c) 2011 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 "views/controls/combobox/native_combobox_win.h"
 
 #include "base/i18n/rtl.h"
 #include "base/utf_string_conversions.h"
 #include "ui/base/models/combobox_model.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/win/hwnd_util.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/native_theme_win.h"
 #include "views/controls/combobox/combobox.h"
 #include "views/controls/combobox/native_combobox_views.h"
 #include "views/widget/widget.h"
 
-using ui::ComboboxModel;  // TODO(beng): remove
-
 namespace views {
 
 // Limit how small a combobox can be.
 static const int kMinComboboxWidth = 148;
 
 // Add a couple extra pixels to the widths of comboboxes and combobox
 // dropdowns so that text isn't too crowded.
 static const int kComboboxExtraPaddingX = 6;
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 179 matching lines @@
 
 // static
 NativeComboboxWrapper* NativeComboboxWrapper::CreateWrapper(
     Combobox* combobox) {
   if (Widget::IsPureViews())
     return new NativeComboboxViews(combobox);
   return new NativeComboboxWin(combobox);
 }
 
 }  // namespace views