| Index: ui/display/display_change_notifier.h
 | 
| diff --git a/ui/display/display_change_notifier.h b/ui/display/display_change_notifier.h
 | 
| index 744bd8f40e616edb47f105d0fa02c8fac5f48cb3..6e3c436c67dd3554d93908d8955414c90e458474 100644
 | 
| --- a/ui/display/display_change_notifier.h
 | 
| +++ b/ui/display/display_change_notifier.h
 | 
| @@ -11,12 +11,8 @@
 | 
|  #include "base/observer_list.h"
 | 
|  #include "ui/display/display_export.h"
 | 
|  
 | 
| -namespace gfx {
 | 
| -class Display;
 | 
| -}
 | 
| -
 | 
|  namespace display {
 | 
| -using Display = gfx::Display;
 | 
| +class Display;
 | 
|  class DisplayObserver;
 | 
|  
 | 
|  // DisplayChangeNotifier is a class implementing the handling of DisplayObserver
 | 
| 
 |