Add device policy: Kiosk Virtual Keyboard Layout.

chrome/browser/ui/ash/launcher/chrome_launcher_controller.h

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
index 9c448b66be6ad31ecdb41ade70f45879f40513bd..1e22495f1d57331459b564c05ec281706f8df12b 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.h
@@ -466,6 +466,11 @@ class ChromeLauncherController : public ash::ShelfDelegate,
   // Sets both of auto-hide behavior and alignment from prefs.
   void SetShelfBehaviorsFromPrefs();
 
+#if defined(OS_CHROMEOS)
+  // Sets whether the virtual keyboard is enabled from prefs.
+  void SetVirtualKeyboardBehaviorFromPrefs();
+#endif  // defined(OS_CHROMEOS)
+
   // Returns the shelf item status for the given |app_id|, which can be either
   // STATUS_ACTIVE (if the app is active), STATUS_RUNNING (if there is such an
   // app) or STATUS_CLOSED.