Switch to direct use of OwnerSettingsServiceChromeOS::Set() in tests.

chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_handler.h

Index: chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_handler.h
diff --git a/chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_handler.h b/chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_handler.h
index 23df3a1450304eef77346f168f71b39138334e39..2147ddc8a2687a14bcbe21d8da8299906b665882 100644
--- a/chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_handler.h
+++ b/chrome/browser/ui/webui/extensions/chromeos/kiosk_apps_handler.h
@@ -13,6 +13,8 @@
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
+class Profile;
+
 namespace base {
 class DictionaryValue;
 class ListValue;
@@ -25,11 +27,12 @@ class WebUIDataSource;
 namespace chromeos {
 
 class KioskAppManager;
+class OwnerSettingsServiceChromeOS;
 
 class KioskAppsHandler : public content::WebUIMessageHandler,
                          public KioskAppManagerObserver {
  public:
-  KioskAppsHandler();
+  explicit KioskAppsHandler(Profile* profile);
   ~KioskAppsHandler() override;
 
   void GetLocalizedValues(content::WebUIDataSource* source);
@@ -69,6 +72,7 @@ class KioskAppsHandler : public content::WebUIMessageHandler,
   bool initialized_;
   bool is_kiosk_enabled_;
   bool is_auto_launch_enabled_;
+  OwnerSettingsServiceChromeOS* owner_settings_service_;
   base::WeakPtrFactory<KioskAppsHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskAppsHandler);