GTK: Move TranslateInfoBarBase::BuildOptionsMenuButton to InfoBarGtk::CreateMenuButton

chrome/browser/ui/gtk/infobars/translate_infobar_base_gtk.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_INFOBARS_TRANSLATE_INFOBAR_BASE_GTK_H_
 #define CHROME_BROWSER_UI_GTK_INFOBARS_TRANSLATE_INFOBAR_BASE_GTK_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/gtk/infobars/infobar_gtk.h"
@@ skipping 37 matching lines @@
                                     size_t exclude_language);
 
   // Given an above-constructed combobox, returns the currently selected
   // language id.
   static size_t GetLanguageComboboxActiveId(GtkComboBox* combo);
 
   // Convenience to retrieve the TranslateInfoBarDelegate for this infobar.
   TranslateInfoBarDelegate* GetDelegate();
 
  private:
-  // Builds a button with an arrow in it to emulate the menu-button style from
-  // the windows version.
-  static GtkWidget* BuildOptionsMenuButton();
-
   CHROMEGTK_CALLBACK_0(TranslateInfoBarBase, void, OnOptionsClicked);
 
   // A percentage to average the normal page action background with the error
   // background. When 0, the infobar background should be pure PAGE_ACTION_TYPE.
   // When 1, the infobar background should be pure WARNING_TYPE.
   double background_error_percent_;
 
   // Changes the color of the background from normal to error color and back.
   scoped_ptr<ui::SlideAnimation> background_color_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateInfoBarBase);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INFOBARS_TRANSLATE_INFOBAR_BASE_GTK_H_