Implement the auto-logout on idle feature for Kiosk mode.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

Index: chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index 209a6bb70c33d8000e3f11c601ad45e4b48c4df4..8c09b2e4a9a5003a3280f32e61f7be500d64e56c 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -58,6 +58,7 @@
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/ui/webui/chromeos/choose_mobile_network_ui.h"
+#include "chrome/browser/ui/webui/chromeos/idle_logout_dialog.h"
 #include "chrome/browser/ui/webui/chromeos/imageburner/imageburner_ui.h"
 #include "chrome/browser/ui/webui/chromeos/keyboard_overlay_ui.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
@@ -247,6 +248,8 @@ WebUIFactoryFunction GetWebUIFactoryFunction(content::WebUI* web_ui,
     return &NewWebUI<ActiveDownloadsUI>;
   if (url.host() == chrome::kChromeUIChooseMobileNetworkHost)
     return &NewWebUI<chromeos::ChooseMobileNetworkUI>;
+  if (url.host() == chrome::kChromeUIIdleLogoutDialogHost)
+    return &NewWebUI<IdleLogoutDialogUI>;
   if (url.host() == chrome::kChromeUIImageBurnerHost)
     return &NewWebUI<ImageBurnUI>;
   if (url.host() == chrome::kChromeUIKeyboardOverlayHost)