Use a single views::MenuConfig instance for each platform

chrome/browser/ui/views/content_setting_bubble_contents.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_VIEWS_CONTENT_SETTING_BUBBLE_CONTENTS_H_
 #define CHROME_BROWSER_UI_VIEWS_CONTENT_SETTING_BUBBLE_CONTENTS_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 58 matching lines @@
   struct MediaMenuParts;
 
   typedef std::map<views::Link*, int> ListItemLinks;
   typedef std::map<views::MenuButton*, MediaMenuParts*> MediaMenuPartsMap;
 
   // content::WebContentsObserver:
   void DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) override;
 
-  // views::View:
-  void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
-
   // views::ButtonListener:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::LinkListener:
   void LinkClicked(views::Link* source, int event_flags) override;
 
   // views::MenuButtonListener:
   void OnMenuButtonClicked(views::View* source,
                            const gfx::Point& point) override;
 
   // Helper to get the preferred width of the media menu.
-  void UpdateMenuButtonSizes(const ui::NativeTheme* theme);
+  void UpdateMenuButtonSizes();
 
   // Provides data for this bubble.
   scoped_ptr<ContentSettingBubbleModel> content_setting_bubble_model_;
 
   // Some of our controls, so we can tell what's been clicked when we get a
   // message.
   ListItemLinks list_item_links_;
   typedef std::vector<views::RadioButton*> RadioGroup;
   RadioGroup radio_group_;
   views::Link* custom_link_;
   views::Link* manage_link_;
   views::Link* learn_more_link_;
   views::LabelButton* close_button_;
   scoped_ptr<views::MenuRunner> menu_runner_;
   MediaMenuPartsMap media_menus_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ContentSettingBubbleContents);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_CONTENT_SETTING_BUBBLE_CONTENTS_H_