Adjust TriView.

ash/common/system/tray/tray_popup_utils.h

Index: ash/common/system/tray/tray_popup_utils.h
diff --git a/ash/common/system/tray/tray_popup_utils.h b/ash/common/system/tray/tray_popup_utils.h
index 0412752cacfeef0acd35c70f56aa129db04ab175..b1d4b32dfaf8de8d05f829c38fda88414b2df2c2 100644
--- a/ash/common/system/tray/tray_popup_utils.h
+++ b/ash/common/system/tray/tray_popup_utils.h
@@ -90,13 +90,7 @@ class TrayPopupUtils {
   static bool CanOpenWebUISettings(LoginStatus status);
 
  private:
-  TrayPopupUtils() = delete;
-  ~TrayPopupUtils() = delete;
-
-  // Configures the specified |container| view with the default layout. Used by
-  // CreateDefaultRowView().
-  static void ConfigureDefaultLayout(TriView* tri_view,
-                                     TriView::Container container);
+  DISALLOW_IMPLICIT_CONSTRUCTORS(TrayPopupUtils);
 };
 
 }  // namespace ash