Remove unused user email argument from nss_util.

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 54 matching lines @@
 
   // TPMTokenLoader::Observer:
   virtual void OnTPMTokenReady() OVERRIDE;
 
   // 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 scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util,
       const IsOwnerCallback& callback);
 
   static void SetDeviceSettingsServiceForTesting(
       DeviceSettingsService* device_settings_service);
 
  private:
   friend class OwnerSettingsServiceFactory;
 
@@ skipping 63 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_