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..1a24a5fdff191118da81a1fbb038c5b731e5c05f 100644
--- a/chrome/browser/chromeos/login/ui/webui_login_view.h
+++ b/chrome/browser/chromeos/login/ui/webui_login_view.h
@@ -8,6 +8,7 @@
 #include <map>
 #include <string>
 
+#include "ash/common/system/status_area_focus_observer.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
@@ -39,7 +40,8 @@ class WebUILoginView : public views::View,
                        public content::WebContentsDelegate,
                        public content::NotificationObserver,
                        public ChromeWebModalDialogManagerDelegate,
-                       public web_modal::WebContentsModalDialogHost {
+                       public web_modal::WebContentsModalDialogHost,
+                       public ash::StatusAreaFocusObserver {
  public:
   // Internal class name.
   static const char kViewClassName[];
@@ -135,6 +137,9 @@ class WebUILoginView : public views::View,
   bool PreHandleGestureEvent(content::WebContents* source,
                              const blink::WebGestureEvent& event) override;
 
+  // Overridden from ash::StatusAreaFocusObserver.
+  void OnWillReturnFocusToWebContents(bool reverse) override;
+
   // Performs series of actions when login prompt is considered
   // to be ready and visible.
   // 1. Emits LoginPromptVisible signal if needed