Signin screen and locked screen status area focus advancing

chrome/browser/chromeos/login/ui/webui_login_view.h

Index: chrome/browser/chromeos/login/ui/webui_login_view.h
diff --git a/chrome/browser/chromeos/login/ui/webui_login_view.h b/chrome/browser/chromeos/login/ui/webui_login_view.h
index e6a337b5860be059e7996f2087f3341520c9afbe..5963cf379b356591e5fe50c8b1464e45e7ea2197 100644
--- a/chrome/browser/chromeos/login/ui/webui_login_view.h
+++ b/chrome/browser/chromeos/login/ui/webui_login_view.h
@@ -162,6 +162,17 @@ class WebUILoginView : public views::View,
   // True to forward keyboard event.
   bool forward_keyboard_event_;
 
+  // A FocusTraversable for StatusAreaWidget that uses
+  // |status_area_widget_host_| as placeholder in WebUiLoginView's focus chain.
+  class StatusAreaFocusTraversable;
+  std::unique_ptr<StatusAreaFocusTraversable> status_area_focus_traversable_;
+  views::View* status_area_widget_host_ = nullptr;
+
+  // A FocusTraversable for WebUILoginView that loops back at the end of its
+  // focus chain.
+  class CycleFocusTraversable;
+  std::unique_ptr<CycleFocusTraversable> cycle_focus_traversable_;
+
   base::ObserverList<web_modal::ModalDialogHostObserver> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUILoginView);