Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/ui/webui/ntp/new_tab_page_handler.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/ntp/new_tab_page_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/extensions/app_launcher.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 #include "chrome/browser/web_resource/notification_promo.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
@@ skipping 154 matching lines @@
       base::Bind(&NewTabPageHandler::GotIsAppLauncherEnabled,
                  AsWeakPtr()));
 }
 
 void NewTabPageHandler::GotIsAppLauncherEnabled(bool is_enabled) {
   base::FundamentalValue should_show_apps(!is_enabled);
   web_ui()->CallJavascriptFunction("ntp.gotShouldShowApps", should_show_apps);
 }
 
 // static
-void NewTabPageHandler::RegisterUserPrefs(PrefServiceSyncable* prefs) {
+void NewTabPageHandler::RegisterUserPrefs(PrefRegistrySyncable* registry) {
   // TODO(estade): should be syncable.
-  prefs->RegisterIntegerPref(prefs::kNtpShownPage, APPS_PAGE_ID,
-                             PrefServiceSyncable::UNSYNCABLE_PREF);
+  registry->RegisterIntegerPref(prefs::kNtpShownPage, APPS_PAGE_ID,
+                                PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 // static
 void NewTabPageHandler::GetLocalizedValues(Profile* profile,
                                            DictionaryValue* values) {
   values->SetInteger("most_visited_page_id", MOST_VISITED_PAGE_ID);
   values->SetInteger("apps_page_id", APPS_PAGE_ID);
   values->SetInteger("suggestions_page_id", SUGGESTIONS_PAGE_ID);
   // TODO(jeremycho): Add this to histograms.xml (see issue 144067).
   values->SetInteger("recently_closed_page_id", RECENTLY_CLOSED_PAGE_ID);
   // TODO(vadimt): Add this to histograms.xml (see issue 148871).
   values->SetInteger("other_devices_page_id", OTHER_DEVICES_PAGE_ID);
 
   PrefService* prefs = profile->GetPrefs();
   int shown_page = prefs->GetInteger(prefs::kNtpShownPage);
   values->SetInteger("shown_page_type", shown_page & ~INDEX_MASK);
   values->SetInteger("shown_page_index", shown_page & INDEX_MASK);
 }
 
 void NewTabPageHandler::Notify(chrome::NotificationType notification_type) {
   content::NotificationService* service =
       content::NotificationService::current();
   service->Notify(notification_type,
                   content::Source<NewTabPageHandler>(this),
                   content::NotificationService::NoDetails());
 }