Adding focus to NaviteViewHost.

views/controls/native_control_gtk.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_NATIVE_CONTROL_GTK_H_
 #define VIEWS_CONTROLS_NATIVE_CONTROL_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include "views/controls/native/native_view_host.h"
@@ skipping 18 matching lines @@
   // valid Widget. The NativeControlGtk should use this opportunity to create
   // its associated GtkWidget.
   virtual void CreateNativeControl() = 0;
 
   // MUST be called by the subclass implementation of |CreateNativeControl|
   // immediately after creating the control GtkWidget, otherwise it won't be
   // attached to the GtkView and will be effectively orphaned.
   virtual void NativeControlCreated(GtkWidget* widget);
 
  private:
-  static void CallFocusIn(GtkWidget* widget,
-                          GdkEventFocus* event,
-                          NativeControlGtk* button);
-
   DISALLOW_COPY_AND_ASSIGN(NativeControlGtk);
 };
 
 }  // namespace views
 
 #endif  // #ifndef VIEWS_CONTROLS_NATIVE_CONTROL_GTK_H_