Instantiation of OwnerKeyUtil is delegated to OwnerSettingsServiceFactory.

chrome/browser/chromeos/ownership/owner_settings_service_factory.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_FACTORY_H_
 #define CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_FACTORY_H_
 
 #include <string>
 
 #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"
+#include "components/ownership/owner_key_util.h"
 
 class KeyedService;
 class Profile;
 
 namespace chromeos {
 
 class OwnerSettingsService;
 
 class OwnerSettingsServiceFactory : public BrowserContextKeyedServiceFactory {
  public:
   static OwnerSettingsService* GetForProfile(Profile* profile);
 
   static OwnerSettingsServiceFactory* GetInstance();
 
+  scoped_refptr<ownership::OwnerKeyUtil> GetOwnerKeyUtil();
+
+  void set_owner_key_util_for_testing(
+      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util) {
+    owner_key_util_ = owner_key_util;

[erikwright (departed), 2014/09/02 19:13:56]

I'm not sure if it's appropriate to inline an assignment to a refptr. I'd guess
not. Which would also save you an include in this header.

[ygorshenin1, 2014/09/03 10:14:58]

Done.

+  }
+
  private:
   friend struct DefaultSingletonTraits<OwnerSettingsServiceFactory>;
 
   OwnerSettingsServiceFactory();
   virtual ~OwnerSettingsServiceFactory();
 
   static KeyedService* BuildInstanceFor(content::BrowserContext* context);
 
   // BrowserContextKeyedBaseFactory overrides:
   virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
 
   // BrowserContextKeyedServiceFactory implementation:
   virtual KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* browser_context) const OVERRIDE;
 
+  scoped_refptr<ownership::OwnerKeyUtil> owner_key_util_;
+
   DISALLOW_COPY_AND_ASSIGN(OwnerSettingsServiceFactory);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_FACTORY_H_