Fix for native button focus bug

chrome/views/controls/button/native_button_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 CHROME_VIEWS_CONTROLS_BUTTON_NATIVE_BUTTON_WRAPPER_H_
 #define CHROME_VIEWS_CONTROLS_BUTTON_NATIVE_BUTTON_WRAPPER_H_
 
 class ChromeFont;
 
 namespace views {
@@ skipping 13 matching lines @@
   // associated NativeButton.
   virtual void UpdateFont() = 0;
 
   // Updates the native button's default state from the state stored in its
   // associated NativeButton.
   virtual void UpdateDefault() = 0;
 
   // Updates the native button's checked state from the state stored in its
   // associated NativeCheckbox. Valid only for checkboxes and radio buttons.
   virtual void UpdateChecked() {}
-  
+
   // Shows the pushed state for the button if |pushed| is true.
   virtual void SetPushed(bool pushed) {};
 
-  // Retrieves the views::View that hosts the native control. 
+  // Retrieves the views::View that hosts the native control.
   virtual View* GetView() = 0;
 
+  // Sets the focus to the button.
+  virtual void SetFocus() = 0;
+
   // Return the width of the button. Used for fixed size buttons (checkboxes and
   // radio buttons) only.
   static int GetFixedWidth();
 
   // Creates an appropriate NativeButtonWrapper for the platform.
   static NativeButtonWrapper* CreateNativeButtonWrapper(NativeButton* button);
   static NativeButtonWrapper* CreateCheckboxWrapper(Checkbox* checkbox);
   static NativeButtonWrapper* CreateRadioButtonWrapper(
       RadioButton* radio_button);
 
 };
 
 }  // namespace views
 
 #endif  // #ifndef CHROME_VIEWS_CONTROLS_BUTTON_NATIVE_BUTTON_WRAPPER_H_