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

chrome/browser/ui/tabs/pinned_tab_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 <string>
 #include <vector>
 
+#include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/tabs/pinned_tab_codec.h"
 #include "chrome/browser/ui/tabs/pinned_tab_service.h"
 #include "chrome/browser/ui/tabs/pinned_tab_service_factory.h"
 #include "chrome/browser/ui/tabs/pinned_tab_test_utils.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/browser_with_test_window_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
-KeyedService* BuildPinnedTabService(content::BrowserContext* profile) {
-  return new PinnedTabService(static_cast<Profile*>(profile));
+scoped_ptr<KeyedService> BuildPinnedTabService(
+    content::BrowserContext* profile) {
+  return make_scoped_ptr(new PinnedTabService(static_cast<Profile*>(profile)));
 }
 
 PinnedTabService* BuildForProfile(Profile* profile) {
   return static_cast<PinnedTabService*>(
       PinnedTabServiceFactory::GetInstance()->SetTestingFactoryAndUse(
           profile, BuildPinnedTabService));
 }
 
 class PinnedTabServiceTest : public BrowserWithTestWindowTest {
  public:
@@ skipping 36 matching lines @@
   popup->tab_strip_model()->CloseAllTabs();
   popup.reset(NULL);
 
   // Check the state to make sure it hasn't changed.
   result = PinnedTabTestUtils::TabsToString(
       PinnedTabCodec::ReadPinnedTabs(profile()));
   EXPECT_EQ("http://www.google.com/:pinned", result);
 }
 
 }  // namespace