Not for check-in. Manually reviewable parts of https://codereview.chromium.org/11570009/

chrome/browser/ui/webui/sync_promo/sync_promo_ui.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/ui/webui/sync_promo/sync_promo_ui.h"
 
 #include "base/command_line.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
@@ skipping 128 matching lines @@
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(
           profile->GetOriginalProfile());
   if (!service || service->HasSyncSetupCompleted())
     return false;
 
   // Default to allow the promo.
   return true;
 }
 
 // static
-void SyncPromoUI::RegisterUserPrefs(PrefService* prefs) {
-  prefs->RegisterIntegerPref(
-      prefs::kSyncPromoStartupCount, 0, PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterBooleanPref(
-      prefs::kSyncPromoUserSkipped, false, PrefService::UNSYNCABLE_PREF);
+void SyncPromoUI::RegisterUserPrefs(PrefServiceSyncable* prefs) {
+  prefs->RegisterIntegerPref(prefs::kSyncPromoStartupCount, 0,
+                             PrefServiceSyncable::UNSYNCABLE_PREF);
+  prefs->RegisterBooleanPref(prefs::kSyncPromoUserSkipped, false,
+                             PrefServiceSyncable::UNSYNCABLE_PREF);
   prefs->RegisterBooleanPref(prefs::kSyncPromoShowOnFirstRunAllowed, true,
-      PrefService::UNSYNCABLE_PREF);
+                             PrefServiceSyncable::UNSYNCABLE_PREF);
 
   SyncPromoHandler::RegisterUserPrefs(prefs);
 }
 
 // static
 bool SyncPromoUI::ShouldShowSyncPromoAtStartup(Profile* profile,
                                                bool is_new_profile) {
   DCHECK(profile);
 
   if (!ShouldShowSyncPromo(profile))
@@ skipping 138 matching lines @@
 
 // static
 bool SyncPromoUI::UseWebBasedSigninFlow() {
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kUseWebBasedSigninFlow);
 #else
   return false;
 #endif
 }