moved DoApplyWidgetStyle to wxWindowGTK

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27899 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/window.h

@@ -264,6 +264,10 @@ protected:
 
     // Overridden in many GTK widgets who have to handle subwidgets
     virtual void ApplyWidgetStyle(bool forceStyle = false);
+    
+    // helper function to ease native widgets wrapping, called by 
+    // ApplyWidgetStyle -- override this, not ApplyWidgetStyle
+    virtual void DoApplyWidgetStyle(GtkRcStyle *style);
 
 private:
     DECLARE_DYNAMIC_CLASS(wxWindowGTK)