[Mac] Implement a NotificationUIManager that uses Notification Center on 10.8 for text notifications

chrome/browser/notifications/notification_ui_manager_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/notifications/notification_ui_manager_impl.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/stl_util.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 46 matching lines @@
 #endif
 }
 
 NotificationUIManagerImpl::~NotificationUIManagerImpl() {
   STLDeleteElements(&show_queue_);
 #if defined(OS_MACOSX)
   StopFullScreenMonitor();
 #endif
 }
 
-// static
-NotificationUIManager* NotificationUIManager::Create(PrefService* local_state) {
-  return Create(local_state, BalloonCollection::Create());
-}
-
-// static
-NotificationUIManager* NotificationUIManager::Create(
-    PrefService* local_state,
-    BalloonCollection* balloons) {
-  NotificationUIManagerImpl* instance =
-      new NotificationUIManagerImpl(local_state);
-  instance->Initialize(balloons);
-  balloons->set_space_change_listener(instance);
-  return instance;
-}
-
 void NotificationUIManagerImpl::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 159 matching lines @@
   } else if (type == chrome::NOTIFICATION_PREF_CHANGED) {
     std::string* name = content::Details<std::string>(details).ptr();
     if (*name == prefs::kDesktopNotificationPosition)
       balloon_collection_->SetPositionPreference(
           static_cast<BalloonCollection::PositionPreference>(
               position_pref_.GetValue()));
   } else {
     NOTREACHED();
   }
 }