notifications: Forward declared Balloon in notification_options_menu_model.h

chrome/browser/notifications/notification_options_menu_model.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_options_menu_model.h"
 
 #include <string>
 
-#include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/notifications/balloon.h"
 #include "chrome/browser/notifications/balloon_collection.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_prefs_manager.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/chrome_pages.h"
@@ skipping 233 matching lines @@
         browser = new Browser(Browser::CreateParams(balloon_->profile()));
       }
       chrome::ShowContentSettings(browser, CONTENT_SETTINGS_TYPE_NOTIFICATIONS);
       break;
     }
     default:
       NOTREACHED();
       break;
   }
 }