[Cleanup] Used scoped pointers in KeyedServiceFactory's SetTestingFactory functions.

chrome/browser/sync/sync_error_notifier_ash_unittest.cc

 // 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.
 
 #include "chrome/browser/sync/sync_error_notifier_ash.h"
 
 #include "ash/test/ash_test_base.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/notifications/notification.h"
@@ skipping 64 matching lines @@
   int focus_ui_call_count() const { return focus_ui_call_count_; }
 
  private:
   // LoginUIService::LoginUI:
   void FocusUI() override { ++focus_ui_call_count_; }
   void CloseUI() override {}
 
   int focus_ui_call_count_;
 };
 
-KeyedService* BuildMockLoginUIService(
+scoped_ptr<KeyedService> BuildMockLoginUIService(
     content::BrowserContext* profile) {
-  return new FakeLoginUIService();
+  return make_scoped_ptr(new FakeLoginUIService());
 }
 
 class SyncErrorNotifierTest : public AshTestBase  {
  public:
   SyncErrorNotifierTest() {}
   ~SyncErrorNotifierTest() override {}
 
   void SetUp() override {
     profile_manager_.reset(
         new TestingProfileManager(TestingBrowserProcess::GetGlobal()));
@@ skipping 133 matching lines @@
     SCOPED_TRACE("Not expecting notification since sync setup is incomplete");
     VerifySyncErrorNotifierResult(
         GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS,
         false /* not signed in */,
         false /* no error */);
   }
 }
 
 }  // namespace test
 }  // namespace ash