Style fixes for demo mode.

chrome/browser/chromeos/login/login_display_host_impl.h

Index: chrome/browser/chromeos/login/login_display_host_impl.h
diff --git a/chrome/browser/chromeos/login/login_display_host_impl.h b/chrome/browser/chromeos/login/login_display_host_impl.h
index f8de85a027b1e03d398a9c153578c7fcdd63bb25..e2930aac663c0436ba6e9efd50f728e3efa3acab 100644
--- a/chrome/browser/chromeos/login/login_display_host_impl.h
+++ b/chrome/browser/chromeos/login/login_display_host_impl.h
@@ -13,7 +13,6 @@
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/login/app_launch_controller.h"
 #include "chrome/browser/chromeos/login/auth_prewarmer.h"
-#include "chrome/browser/chromeos/login/demo_mode/demo_app_launcher.h"
 #include "chrome/browser/chromeos/login/existing_user_controller.h"
 #include "chrome/browser/chromeos/login/login_display.h"
 #include "chrome/browser/chromeos/login/login_display_host.h"
@@ -34,6 +33,7 @@ class AutoEnrollmentClient;
 
 namespace chromeos {
 
+class DemoAppLauncher;
 class FocusRingController;
 class KeyboardDrivenOobeKeyHandler;
 class OobeUI;