Introduce incognito preference settings.

chrome/browser/dom_ui/shown_sections_handler_unittest.cc

 // Copyright (c) 2010 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/dom_ui/shown_sections_handler.h"
 
 #include "base/scoped_ptr.h"
 #include "chrome/browser/prefs/pref_value_store.h"
 #include "chrome/common/json_pref_store.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/testing_pref_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class ShownSectionsHandlerTest : public testing::Test {
 };
 
 namespace {
 
 int MigratePrefValue(PrefService* prefs, int starting_value) {
   prefs->SetInteger(prefs::kNTPShownSections, starting_value);
   ShownSectionsHandler::MigrateUserPrefs(prefs, 1, 3);
   return prefs->GetInteger(prefs::kNTPShownSections);
 }
 
 }  // namespace
 
 TEST_F(ShownSectionsHandlerTest, MigrateUserPrefs) {
-  scoped_ptr<PrefService> pref(new TestingPrefService);
+  scoped_ptr<PrefService> pref(TestingPrefService::CreateTestingPrefService());
 
   pref->RegisterIntegerPref(prefs::kNTPShownSections, 0);
 
   EXPECT_EQ(APPS, MigratePrefValue(pref.get(), APPS));
   EXPECT_EQ(THUMB, MigratePrefValue(pref.get(), THUMB));
   EXPECT_EQ(APPS, MigratePrefValue(pref.get(), APPS | THUMB));
 
   // 2 is not currently used, but older state may contain it and we should do
   // something reasonable.
   EXPECT_EQ(THUMB, MigratePrefValue(pref.get(), 3));
 
   // 0 can't correspond to any section, but we should still do something
   // reasonable.
   EXPECT_EQ(THUMB, MigratePrefValue(pref.get(), 0));
 }