| Index: ui/app_list/BUILD.gn | 
| diff --git a/ui/app_list/BUILD.gn b/ui/app_list/BUILD.gn | 
| index 063fb1967a56759132ea19e03086a6059cf456cb..570dd1e5443b621c5dae3034b472edbd4b51de22 100644 | 
| --- a/ui/app_list/BUILD.gn | 
| +++ b/ui/app_list/BUILD.gn | 
| @@ -121,6 +121,8 @@ component("app_list") { | 
| "views/cached_label.h", | 
| "views/contents_switcher_view.cc", | 
| "views/contents_switcher_view.h", | 
| +      "views/contents_animator.cc", | 
| +      "views/contents_animator.h", | 
| "views/contents_view.cc", | 
| "views/contents_view.h", | 
| "views/folder_background_view.cc", | 
| @@ -252,6 +254,7 @@ test("app_list_unittests") { | 
| "views/app_list_main_view_unittest.cc", | 
| "views/app_list_view_unittest.cc", | 
| "views/apps_grid_view_unittest.cc", | 
| +      "views/contents_view_unittest.cc", | 
| "views/folder_header_view_unittest.cc", | 
| "views/search_box_view_unittest.cc", | 
| "views/search_result_list_view_unittest.cc", | 
|  |