Add the button style for combobox

chrome/browser/ui/translate/translate_denial_menu_model.h

+// Copyright 2013 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_TRANSLATE_TRANSLATE_DENIAL_MENU_MODEL_H_
+#define CHROME_BROWSER_UI_TRANSLATE_TRANSLATE_DENIAL_MENU_MODEL_H_
+
+#include "ui/base/models/simple_menu_model.h"
+
+class TranslateDenialMenuModelObserver;
+
+// A model for the menu to deny translation in various ways.
+class TranslateDenialMenuModel : public ui::SimpleMenuModel,
+                                 public ui::SimpleMenuModel::Delegate {
+ public:
+  TranslateDenialMenuModel(const string16& original_language_name,
+                           TranslateDenialMenuModelObserver* observer);
+
+  // ui::SimpleMenuModel::Delegate:
+  virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
+  virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
+  virtual bool GetAcceleratorForCommandId(
+      int command_id,
+      ui::Accelerator* accelerator) OVERRIDE;
+  virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
+
+ private:
+  TranslateDenialMenuModelObserver* observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(TranslateDenialMenuModel);
+};
+
+#endif  // CHROME_BROWSER_UI_TRANSLATE_TRANSLATE_DENIAL_MENU_MODEL_H_