| Index: chrome/browser/previews/previews_infobar_delegate_unittest.cc
 | 
| diff --git a/chrome/browser/previews/previews_infobar_delegate_unittest.cc b/chrome/browser/previews/previews_infobar_delegate_unittest.cc
 | 
| index f212b5ea2aec8cf8c0bc327582bedec59fda924f..619b159e7ad4b80c185a7347265f160f596d055c 100644
 | 
| --- a/chrome/browser/previews/previews_infobar_delegate_unittest.cc
 | 
| +++ b/chrome/browser/previews/previews_infobar_delegate_unittest.cc
 | 
| @@ -9,6 +9,7 @@
 | 
|  
 | 
|  #include "base/bind.h"
 | 
|  #include "base/bind_helpers.h"
 | 
| +#include "base/memory/ptr_util.h"
 | 
|  #include "base/optional.h"
 | 
|  #include "base/test/histogram_tester.h"
 | 
|  #include "base/threading/thread_task_runner_handle.h"
 | 
| 
 |