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

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

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_
 #define CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
@@ skipping 53 matching lines @@
   ui::GtkSignalRegistrar* Signals();
 
   // Creates a label with the appropriate font and color for the current
   // gtk-theme state. It is InfoBarGtk's responsibility to observe browser
   // theme changes and update the label's state.
   GtkWidget* CreateLabel(const std::string& text);
 
   // Creates a link button with the appropriate current gtk-theme state.
   GtkWidget* CreateLinkButton(const std::string& text);
 
+  // Builds a button with an arrow in it to emulate the menu-button style from
+  // the windows version.
+  static GtkWidget* CreateMenuButton(const std::string& text);
+
   // Adds |display_text| to the infobar. If |link_text| is not empty, it is
   // rendered as a hyperlink and inserted into |display_text| at |link_offset|,
   // or right aligned in the infobar if |link_offset| is |npos|. If a link is
   // supplied, |link_callback| must not be null. It will be invoked on click.
   void AddLabelWithInlineLink(const string16& display_text,
                               const string16& link_text,
                               size_t link_offset,
                               GCallback callback);
 
   // Shows the menu with |model| with the context of |sender|. InfobarGtk takes
@@ skipping 45 matching lines @@
 
   // The current menu displayed. Can be null. We own this on the base class so
   // we can cancel the menu while we're closing.
   scoped_ptr<ui::MenuModel> menu_model_;
   scoped_ptr<MenuGtk> menu_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBarGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_INFOBARS_INFOBAR_GTK_H_