Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/ui/webui/ntp/app_launcher_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/app_launcher_handler.h"
 
 #include <vector>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/i18n/rtl.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/app_notification.h"
 #include "chrome/browser/extensions/app_notification_manager.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_sorting.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/management_policy.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/extensions/extension_enable_flow.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
@@ skipping 733 matching lines @@
   highlight_app_id_.clear();
 }
 
 void AppLauncherHandler::OnPreferenceChanged() {
   DictionaryValue dictionary;
   FillAppDictionary(&dictionary);
   web_ui()->CallJavascriptFunction("ntp.appsPrefChangeCallback", dictionary);
 }
 
 // static
-void AppLauncherHandler::RegisterUserPrefs(PrefServiceSyncable* pref_service) {
-  pref_service->RegisterListPref(prefs::kNtpAppPageNames,
-                                 PrefServiceSyncable::SYNCABLE_PREF);
+void AppLauncherHandler::RegisterUserPrefs(PrefRegistrySyncable* registry) {
+  registry->RegisterListPref(prefs::kNtpAppPageNames,
+                             PrefRegistrySyncable::SYNCABLE_PREF);
 }
 
 void AppLauncherHandler::CleanupAfterUninstall() {
   extension_id_prompting_.clear();
 }
 
 // static
 void AppLauncherHandler::RecordAppLaunchType(
     extension_misc::AppLaunchBucket bucket) {
   UMA_HISTOGRAM_ENUMERATION(extension_misc::kAppLaunchHistogram, bucket,
@@ skipping 92 matching lines @@
 ExtensionUninstallDialog* AppLauncherHandler::GetExtensionUninstallDialog() {
   if (!extension_uninstall_dialog_.get()) {
     Browser* browser = chrome::FindBrowserWithWebContents(
         web_ui()->GetWebContents());
     extension_uninstall_dialog_.reset(
         ExtensionUninstallDialog::Create(extension_service_->profile(),
                                          browser, this));
   }
   return extension_uninstall_dialog_.get();
 }