Refactor preference syncing.

chrome/browser/notifications/notification_ui_manager.cc

 // Copyright (c) 2011 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/notifications/notification_ui_manager.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util-inl.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 59 matching lines @@
   BalloonCollection* balloons = BalloonCollection::Create();
   NotificationUIManager* instance = new NotificationUIManager(local_state);
   instance->Initialize(balloons);
   balloons->set_space_change_listener(instance);
   return instance;
 }
 
 // static
 void NotificationUIManager::RegisterPrefs(PrefService* prefs) {
   prefs->RegisterIntegerPref(prefs::kDesktopNotificationPosition,
-                             BalloonCollection::DEFAULT_POSITION);
+                             BalloonCollection::DEFAULT_POSITION,
+                             false /* don't sync pref */);
 }
 
 void NotificationUIManager::Initialize(
     BalloonCollection* balloon_collection) {
   DCHECK(!balloon_collection_.get());
   DCHECK(balloon_collection);
   balloon_collection_.reset(balloon_collection);
   balloon_collection_->SetPositionPreference(
       static_cast<BalloonCollection::PositionPreference>(
           position_pref_.GetValue()));
@@ skipping 143 matching lines @@
   } else if (type == NotificationType::PREF_CHANGED) {
     std::string* name = Details<std::string>(details).ptr();
     if (*name == prefs::kDesktopNotificationPosition)
       balloon_collection_->SetPositionPreference(
           static_cast<BalloonCollection::PositionPreference>(
               position_pref_.GetValue()));
   } else {
     NOTREACHED();
   }
 }