Instantiation of OwnerKeyUtil is delegated to OwnerSettingsServiceFactory.

chrome/browser/chromeos/ownership/owner_settings_service.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_H_
 #define CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_
 
 #include <deque>
 #include <vector>
 
@@ skipping 57 matching lines @@
 
   // SessionManagerClient::Observer:
   virtual void OwnerKeySet(bool success) OVERRIDE;
 
   // Checks if the user is the device owner, without the user profile having to
   // been initialized. Should be used only if login state is in safe mode.
   static void IsOwnerForSafeModeAsync(const std::string& user_id,
                                       const std::string& user_hash,
                                       const IsOwnerCallback& callback);
 
-  static scoped_refptr<ownership::OwnerKeyUtil> MakeOwnerKeyUtil();
-
-  static void SetOwnerKeyUtilForTesting(
-      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
-
   static void SetDeviceSettingsServiceForTesting(
       DeviceSettingsService* device_settings_service);
 
  private:
   friend class OwnerSettingsServiceFactory;
 
-  explicit OwnerSettingsService(Profile* profile);
+  OwnerSettingsService(
+      Profile* profile,
+      const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
 
   // Reloads private key from profile's NSS slots. Responds via call
   // to OnPrivateKeyLoaded().
   void ReloadPrivateKey();
 
   // Called when ReloadPrivateKey() completes it's work.
   void OnPrivateKeyLoaded(scoped_refptr<ownership::PublicKey> public_key,
                           scoped_refptr<ownership::PrivateKey> private_key);
 
   // Puts request to perform sign-and-store operation in the queue.
@@ skipping 50 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<OwnerSettingsService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(OwnerSettingsService);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_OWNERSHIP_OWNER_SETTINGS_SERVICE_H_