Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/prefs/incognito_mode_prefs_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/prefs/incognito_mode_prefs.h"
 
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class IncognitoModePrefsTest : public testing::Test {
  protected:
   virtual void SetUp() {
     IncognitoModePrefs::RegisterUserPrefs(&prefs_);
   }
 
-  TestingPrefService prefs_;
+  TestingPrefServiceSyncable prefs_;
 };
 
 TEST_F(IncognitoModePrefsTest, IntToAvailability) {
   ASSERT_EQ(0, IncognitoModePrefs::ENABLED);
   ASSERT_EQ(1, IncognitoModePrefs::DISABLED);
   ASSERT_EQ(2, IncognitoModePrefs::FORCED);
 
   IncognitoModePrefs::Availability incognito;
   EXPECT_TRUE(IncognitoModePrefs::IntToAvailability(0, &incognito));
   EXPECT_EQ(IncognitoModePrefs::ENABLED, incognito);
@@ skipping 46 matching lines @@
   }, "");
 #else
   EXPECT_DEBUG_DEATH({
     IncognitoModePrefs::Availability availability =
         IncognitoModePrefs::GetAvailability(&prefs_);
     EXPECT_EQ(IncognitoModePrefs::ENABLED, availability);
   }, "");
 #endif
 }
 #endif  // GTEST_HAS_DEATH_TEST