Put Kiosk App parameters into device settings.

chrome/browser/chromeos/policy/app_pack_updater.h

Index: chrome/browser/chromeos/policy/app_pack_updater.h
diff --git a/chrome/browser/chromeos/policy/app_pack_updater.h b/chrome/browser/chromeos/policy/app_pack_updater.h
index 8172249b580a143182e64dc6b773efdf8b5fc200..18c72fd5567ea96663e2f8b525812441cbacbd4d 100644
--- a/chrome/browser/chromeos/policy/app_pack_updater.h
+++ b/chrome/browser/chromeos/policy/app_pack_updater.h
@@ -49,10 +49,6 @@ class AppPackUpdater : public content::NotificationObserver,
   // Callback to listen for updates to the screensaver extension's path.
   typedef base::Callback<void(const base::FilePath&)> ScreenSaverUpdateCallback;
 
-  // Keys for the entries in the AppPack dictionary policy.
-  static const char kExtensionId[];
-  static const char kUpdateUrl[];
-
   // The |request_context| is used for the update checks.
   AppPackUpdater(net::URLRequestContextGetter* request_context,
                  EnterpriseInstallAttributes* install_attributes);