Reland kiosk: Fix bailout shortcut not working.

chrome/browser/chromeos/login/app_launch_controller.cc

Index: chrome/browser/chromeos/login/app_launch_controller.cc
diff --git a/chrome/browser/chromeos/login/app_launch_controller.cc b/chrome/browser/chromeos/login/app_launch_controller.cc
index b896293ce422618bfa453582908d97038180865a..33cb6b86ea6079fed04388b66ec3921d131f6501 100644
--- a/chrome/browser/chromeos/login/app_launch_controller.cc
+++ b/chrome/browser/chromeos/login/app_launch_controller.cc
@@ -129,6 +129,9 @@ AppLaunchController::~AppLaunchController() {
 void AppLaunchController::StartAppLaunch(bool is_auto_launch) {
   DVLOG(1) << "Starting kiosk mode...";
 
+  // Ensure WebUILoginView is enabled so that bailout shortcut key works.
+  host_->GetWebUILoginView()->SetUIEnabled(true);
+
   webui_visible_ = host_->GetWebUILoginView()->webui_visible();
   if (!webui_visible_) {
     registrar_.Add(this, chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,