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

chrome/browser/chromeos/ownership/fake_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_FAKE_OWNER_SETTINGS_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_OWNERSHIP_FAKE_OWNER_SETTINGS_SERVICE_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/chromeos/ownership/owner_settings_service_chromeos.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
 
 class Profile;
 
 namespace ownership {
 class OwnerKeyUtil;
 }
 
 namespace chromeos {
 
 class FakeOwnerSettingsService : public OwnerSettingsServiceChromeOS {
  public:
+  explicit FakeOwnerSettingsService(Profile* profile);
   FakeOwnerSettingsService(
       Profile* profile,
       const scoped_refptr<ownership::OwnerKeyUtil>& owner_key_util);
   ~FakeOwnerSettingsService() override;
 
   void set_set_management_settings_result(bool success) {
     set_management_settings_result_ = success;
   }
 
   const ManagementSettings& last_settings() const {
     return last_settings_;
   }
 
   // OwnerSettingsServiceChromeOS:
   void SetManagementSettings(
       const ManagementSettings& settings,
       const OnManagementSettingsSetCallback& callback) override;
+  bool Set(const std::string& setting, const base::Value& value) override;
 
  private:
   bool set_management_settings_result_;
   ManagementSettings last_settings_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeOwnerSettingsService);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_OWNERSHIP_FAKE_OWNER_SETTINGS_SERVICE_H_