| Index: ash/mus/test/wm_test_base.cc
 | 
| diff --git a/ash/mus/test/wm_test_base.cc b/ash/mus/test/wm_test_base.cc
 | 
| index e3a05cb042a045d45f49c886d78fff8f8c4da31e..e247c8834c875bb27d7f53fa7b4d028d76b41e9f 100644
 | 
| --- a/ash/mus/test/wm_test_base.cc
 | 
| +++ b/ash/mus/test/wm_test_base.cc
 | 
| @@ -12,6 +12,7 @@
 | 
|  #include "ash/mus/test/wm_test_helper.h"
 | 
|  #include "ash/mus/window_manager.h"
 | 
|  #include "ash/mus/window_manager_application.h"
 | 
| +#include "base/memory/ptr_util.h"
 | 
|  #include "services/ui/public/cpp/property_type_converters.h"
 | 
|  #include "ui/aura/mus/property_converter.h"
 | 
|  #include "ui/aura/mus/window_tree_client.h"
 | 
| 
 |