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

chrome/browser/notifications/notification_ui_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
+#include "base/basictypes.h"
+
 class BalloonCollection;
 class GURL;
 class Notification;
 class NotificationPrefsManager;
 class PrefService;
+class Profile;
 
 // This virtual interface is used to manage the UI surfaces for desktop
 // notifications. There is one instance per profile.
 class NotificationUIManager {
  public:
   virtual ~NotificationUIManager() {}
 
   // Creates an initialized UI manager with a new balloon collection
   // and the listener relationship setup.
   // Except for unit tests, this is the way to construct the object.
@@ skipping 34 matching lines @@
       std::vector<const Notification*>* notifications) {}
 
  protected:
   NotificationUIManager() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NotificationUIManager);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_NOTIFICATION_UI_MANAGER_H_