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

chrome/browser/signin/fake_profile_oauth2_token_service_builder.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_SIGNIN_FAKE_PROFILE_OAUTH2_TOKEN_SERVICE_BUILDER_H_
 #define CHROME_BROWSER_SIGNIN_FAKE_PROFILE_OAUTH2_TOKEN_SERVICE_BUILDER_H_
 
+#include "base/memory/scoped_ptr.h"
+
 class KeyedService;
 
 namespace content {
 class BrowserContext;
 }
 
 // Helper function to be used with
 // BrowserContextKeyedServiceFactory::SetTestingFactory() that returns a
 // FakeProfileOAuth2TokenService object.
-KeyedService* BuildFakeProfileOAuth2TokenService(
+scoped_ptr<KeyedService> BuildFakeProfileOAuth2TokenService(
     content::BrowserContext* context);
 
 // Helper function to be used with
 // BrowserContextKeyedServiceFactory::SetTestingFactory() that creates a
 // FakeProfileOAuth2TokenService object that posts fetch responses on the
 // current message loop.
-KeyedService* BuildAutoIssuingFakeProfileOAuth2TokenService(
+scoped_ptr<KeyedService> BuildAutoIssuingFakeProfileOAuth2TokenService(
     content::BrowserContext* context);
 
 #endif  // CHROME_BROWSER_SIGNIN_FAKE_PROFILE_OAUTH2_TOKEN_SERVICE_BUILDER_H_