Created initial multi-item notification view

ui/message_center/message_view_factory.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 "ui/message_center/message_view_factory.h"
 
 #include "ui/message_center/base_format_view.h"
 #include "ui/message_center/message_simple_view.h"
 #include "ui/message_center/message_view.h"
+#include "ui/message_center/message_view_multiple.h"
 #include "ui/message_center/notification_list.h"
 #include "ui/notifications/notification_types.h"
 
 namespace message_center {
 
 // static
 MessageView* MessageViewFactory::ViewForNotification(
     const NotificationList::Notification& notification,
     NotificationList::Delegate* list_delegate) {
   switch (notification.type) {
     case ui::notifications::NOTIFICATION_TYPE_BASE_FORMAT:
       return new BaseFormatView(list_delegate, notification);
+    case ui::notifications::NOTIFICATION_TYPE_MULTIPLE:
+      return new MessageViewMultiple(list_delegate, notification);
     case ui::notifications::NOTIFICATION_TYPE_SIMPLE:
       return new MessageSimpleView(list_delegate, notification);
 
     default:
       // If the caller asks for an unrecognized kind of view (entirely possible
       // if an application is running on an older version of this code that
       // doesn't have the requested kind of notification template), we'll fall
       // back to the simplest kind of notification.
       LOG(WARNING) << "Unable to fulfill request for unrecognized "
                    << "notification type " << notification.type << ". "
                    << "Falling back to simple notification type.";
       return new MessageSimpleView(list_delegate, notification);
   }
   NOTREACHED();
 }
 
 }  // namespace message_center