Fix unable to delete extensions continuously through keyboard

ui/views/widget/desktop_aura/desktop_native_widget_aura.h

Index: ui/views/widget/desktop_aura/desktop_native_widget_aura.h
diff --git a/ui/views/widget/desktop_aura/desktop_native_widget_aura.h b/ui/views/widget/desktop_aura/desktop_native_widget_aura.h
index 91a957b729d69bb8ce5d723e491d38a6e7c4be59..a9c440d89140d3622f97aed967b558a35524563f 100644
--- a/ui/views/widget/desktop_aura/desktop_native_widget_aura.h
+++ b/ui/views/widget/desktop_aura/desktop_native_widget_aura.h
@@ -286,6 +286,8 @@ class VIEWS_EXPORT DesktopNativeWidgetAura
 
   std::unique_ptr<wm::WindowModalityController> window_modality_controller_;
 
+  bool restore_focus_on_activate_;
+
   gfx::NativeCursor cursor_;
   // We must manually reference count the number of users of |cursor_manager_|
   // because the cursors created by |cursor_manager_| are shared among the