reland: cros: Fix keyboard navigation focus get lost when system tray set to invisible on oobe

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

Index: chrome/browser/chromeos/login/ui/webui_login_view.cc
diff --git a/chrome/browser/chromeos/login/ui/webui_login_view.cc b/chrome/browser/chromeos/login/ui/webui_login_view.cc
index 594d1a88cc2ee6da2e478a5787b16998483fb926..5508d0aa3fee29fefd9ef6714e434ad5eeacd7c0 100644
--- a/chrome/browser/chromeos/login/ui/webui_login_view.cc
+++ b/chrome/browser/chromeos/login/ui/webui_login_view.cc
@@ -457,10 +457,12 @@ bool WebUILoginView::TakeFocus(content::WebContents* source, bool reverse) {
     return true;
 
   ash::SystemTray* tray = ash::Shell::Get()->GetPrimarySystemTray();
-  if (tray && tray->GetWidget()->IsVisible()) {
+  if (tray && tray->GetWidget()->IsVisible() && tray->visible()) {
     tray->SetNextFocusableView(this);
     ash::Shell::Get()->focus_cycler()->RotateFocus(
         reverse ? ash::FocusCycler::BACKWARD : ash::FocusCycler::FORWARD);
+  } else {
+    AboutToRequestFocusFromTabTraversal(reverse);
   }
 
   return true;