Add the ability to show a demo app on OOBE if a machine is derelict.

chrome/browser/chromeos/login/login_display_host_impl.cc

Index: chrome/browser/chromeos/login/login_display_host_impl.cc
diff --git a/chrome/browser/chromeos/login/login_display_host_impl.cc b/chrome/browser/chromeos/login/login_display_host_impl.cc
index 5e1d4b97817f09c77ad047a47f3ebb5890ce3b02..88037204d9ec412044481f392ea9cc31a3c683e9 100644
--- a/chrome/browser/chromeos/login/login_display_host_impl.cc
+++ b/chrome/browser/chromeos/login/login_display_host_impl.cc
@@ -657,6 +657,14 @@ void LoginDisplayHostImpl::PrewarmAuthentication() {
                  pointer_factory_.GetWeakPtr()));
 }
 
+void LoginDisplayHostImpl::StartDemoAppLaunch() {
+  LOG(WARNING) << "Login WebUI >> starting demo app.";
+  SetStatusAreaVisible(false);
+
+  demo_app_launcher_.reset(new DemoAppLauncher());
+  demo_app_launcher_->StartDemoAppLaunch();
+}
+
 void LoginDisplayHostImpl::StartAppLaunch(const std::string& app_id,
                                           bool diagnostic_mode) {
   LOG(WARNING) << "Login WebUI >> start app launch.";