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

chrome/browser/spellchecker/spellcheck_service_unittest.cc

 // Copyright (c) 2012 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/spellchecker/spellcheck_service.h"
 
 #include <algorithm>
 
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/spellchecker/feedback_sender.h"
 #include "chrome/browser/spellchecker/spellcheck_factory.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-static KeyedService* BuildSpellcheckService(content::BrowserContext* profile) {
-  return new SpellcheckService(static_cast<Profile*>(profile));
+static scoped_ptr<KeyedService> BuildSpellcheckService(
+    content::BrowserContext* profile) {
+  return make_scoped_ptr(new SpellcheckService(static_cast<Profile*>(profile)));
 }
 
 class SpellcheckServiceTest : public testing::Test {
  protected:
   void SetUp() override {
     // Use SetTestingFactoryAndUse to force creation and initialization.
     SpellcheckServiceFactory::GetInstance()->SetTestingFactoryAndUse(
         &profile_, &BuildSpellcheckService);
   }
 
@@ skipping 69 matching lines @@
   accept_languages.push_back("fr");
   accept_languages.push_back("aa");  // Will not exist.
   std::vector<std::string> languages;
 
   SpellcheckService::GetSpellCheckLanguagesFromAcceptLanguages(
       accept_languages, "fr", &languages);
 
   EXPECT_EQ(1U, languages.size());
   EXPECT_EQ("fr", languages[0]);
 }