Instantiation of OwnerKeyUtil is delegated to OwnerSettingsServiceFactory.

chrome/browser/chromeos/ownership/owner_settings_service_factory.h

Index: chrome/browser/chromeos/ownership/owner_settings_service_factory.h
diff --git a/chrome/browser/chromeos/ownership/owner_settings_service_factory.h b/chrome/browser/chromeos/ownership/owner_settings_service_factory.h
index e98773a7732e9213b3dd6904b2d515e732f3f756..597656b76ad20a744f81ca46c8f0068c224bb3c0 100644
--- a/chrome/browser/chromeos/ownership/owner_settings_service_factory.h
+++ b/chrome/browser/chromeos/ownership/owner_settings_service_factory.h
@@ -9,12 +9,17 @@
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/singleton.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
 class KeyedService;
 class Profile;
 
+namespace ownership {
+class OwnerKeyUtil;
+}
+
 namespace chromeos {
 
 class OwnerSettingsService;
@@ -25,6 +30,11 @@ class OwnerSettingsServiceFactory : public BrowserContextKeyedServiceFactory {
 
   static OwnerSettingsServiceFactory* GetInstance();
 
+  scoped_refptr<ownership::OwnerKeyUtil> GetOwnerKeyUtil();
+
+  void SetOwnerKeyUtilForTesting(
+      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
+
  private:
   friend struct DefaultSingletonTraits<OwnerSettingsServiceFactory>;
 
@@ -40,6 +50,8 @@ class OwnerSettingsServiceFactory : public BrowserContextKeyedServiceFactory {
   virtual KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* browser_context) const OVERRIDE;
 
+  scoped_refptr<ownership::OwnerKeyUtil> owner_key_util_;
+
   DISALLOW_COPY_AND_ASSIGN(OwnerSettingsServiceFactory);
 };