Add "kiosk_only" manifest attribute for platform apps.

chrome/browser/chromeos/app_mode/startup_app_launcher.cc

Index: chrome/browser/chromeos/app_mode/startup_app_launcher.cc
diff --git a/chrome/browser/chromeos/app_mode/startup_app_launcher.cc b/chrome/browser/chromeos/app_mode/startup_app_launcher.cc
index 319e9aa52129654a61e09551799b5e513dac1363..1a6444cdd9bac0f6dd906b6b931ed7e94541011e 100644
--- a/chrome/browser/chromeos/app_mode/startup_app_launcher.cc
+++ b/chrome/browser/chromeos/app_mode/startup_app_launcher.cc
@@ -26,7 +26,7 @@
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/manifest_handlers/kiosk_enabled_info.h"
+#include "chrome/common/extensions/manifest_handlers/kiosk_mode_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
@@ -222,7 +222,7 @@ void StartupAppLauncher::LaunchApp() {
       extension_service()->GetInstalledExtension(app_id_);
   CHECK(extension);
 
-  if (!extensions::KioskEnabledInfo::IsKioskEnabled(extension)) {
+  if (!extensions::KioskModeInfo::IsKioskEnabled(extension)) {
     OnLaunchFailure(KioskAppLaunchError::NOT_KIOSK_ENABLED);
     return;
   }