Fixing focus problems with the combobox

views/controls/combobox/native_combobox_wrapper.h

 // Copyright (c) 2009 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 VIEWS_CONTROLS_COMBOBOX_NATIVE_COMBOBOX_WRAPPER_H_
 #define VIEWS_CONTROLS_COMBOBOX_NATIVE_COMBOBOX_WRAPPER_H_
 
+#include "base/gfx/native_widget_types.h"
+
 namespace gfx{
 class Size;
 }
 
 namespace views {
 
 class Combobox;
 class View;
 
 class NativeComboboxWrapper {
  public:
   // Updates the combobox's content from its model.
   virtual void UpdateFromModel() = 0;
 
   // Updates the displayed selected item from the associated Combobox.
   virtual void UpdateSelectedItem() = 0;
 
   // Updates the enabled state of the combobox from the associated view.
   virtual void UpdateEnabled() = 0;
 
   // Gets the selected index.
   virtual int GetSelectedItem() const = 0;
 
   // Returns true if the Combobox dropdown is open.
   virtual bool IsDropdownOpen() const = 0;
 
   // Returns the preferred size of the combobox.
   virtual gfx::Size GetPreferredSize() const = 0;
-  
+
   // Retrieves the views::View that hosts the native control.
   virtual View* GetView() = 0;
 
   // Sets the focus to the button.
   virtual void SetFocus() = 0;
 
+  // Returns a handle to the underlying native view for testing.
+  virtual gfx::NativeView GetTestingHandle() const = 0;
+
   static NativeComboboxWrapper* CreateWrapper(Combobox* combobox);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_COMBOBOX_NATIVE_COMBOBOX_WRAPPER_H_