Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/profiles/off_the_record_profile_impl.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/profiles/off_the_record_profile_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
@@ skipping 224 matching lines @@
 
 policy::ManagedModePolicyProvider*
     OffTheRecordProfileImpl::GetManagedModePolicyProvider() {
   return profile_->GetManagedModePolicyProvider();
 }
 
 policy::PolicyService* OffTheRecordProfileImpl::GetPolicyService() {
   return profile_->GetPolicyService();
 }
 
-PrefService* OffTheRecordProfileImpl::GetPrefs() {
+PrefServiceSyncable* OffTheRecordProfileImpl::GetPrefs() {
   return prefs_;
 }
 
-PrefService* OffTheRecordProfileImpl::GetOffTheRecordPrefs() {
+PrefServiceSyncable* OffTheRecordProfileImpl::GetOffTheRecordPrefs() {
   return prefs_;
 }
 
 DownloadManagerDelegate* OffTheRecordProfileImpl::GetDownloadManagerDelegate() {
   return DownloadServiceFactory::GetForProfile(this)->
       GetDownloadManagerDelegate();
 }
 
 net::URLRequestContextGetter* OffTheRecordProfileImpl::GetRequestContext() {
   return io_data_.GetMainRequestContextGetter();
@@ skipping 222 matching lines @@
   if (!profile)
     profile = new OffTheRecordProfileImpl(this);
   profile->Init();
   return profile;
 }
 
 base::Callback<ChromeURLDataManagerBackend*(void)>
     OffTheRecordProfileImpl::GetChromeURLDataManagerBackendGetter() const {
   return io_data_.GetChromeURLDataManagerBackendGetter();
 }