(Views only): Allow choosing between NativeTabbedPaneView and NativeTabbedPaneWin on Windows.

ui/views/controls/tabbed_pane/native_tabbed_pane_views.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 UI_VIEWS_CONTROLS_TABBED_PANE_NATIVE_TABBED_PANE_VIEWS_H_
 #define UI_VIEWS_CONTROLS_TABBED_PANE_NATIVE_TABBED_PANE_VIEWS_H_
 
 #include <vector>
 
 #include "ui/views/controls/tabbed_pane/native_tabbed_pane_wrapper.h"
 #include "ui/views/view.h"
 
 namespace views {
 
+class TabbedPane;
 class TabLayout;
 class TabStrip;
 class Widget;
 
 class NativeTabbedPaneViews : public View,
                               public NativeTabbedPaneWrapper {
  public:
   explicit NativeTabbedPaneViews(TabbedPane* tabbed_pane);
   virtual ~NativeTabbedPaneViews();
 
@@ skipping 39 matching lines @@
 
   // The content displayed in the tab.
   View* content_view_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTabbedPaneViews);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TABBED_PANE_NATIVE_TABBED_PANE_VIEWS_H_