Remove duplicated headers from modules/

Source/modules/notifications/Notification.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 20 matching lines @@
 
 #include "config.h"
 
 #include "modules/notifications/Notification.h"
 
 #include "bindings/v8/Dictionary.h"
 #include "bindings/v8/ExceptionMessages.h"
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/Document.h"
 #include "core/events/ErrorEvent.h"
-#include "core/events/ThreadLocalEventNames.h"
 #include "core/frame/DOMWindow.h"
 #include "core/loader/ThreadableLoader.h"
 #include "core/page/WindowFocusAllowedIndicator.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "modules/notifications/DOMWindowNotifications.h"
 #include "modules/notifications/NotificationCenter.h"
-#include "modules/notifications/NotificationClient.h"
 #include "modules/notifications/NotificationController.h"
 #include "modules/notifications/NotificationPermissionCallback.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 
 namespace WebCore {
 
 Notification::Notification()
     : ActiveDOMObject(0)
 {
@@ skipping 188 matching lines @@
     return deniedPermission;
 }
 
 void Notification::requestPermission(ExecutionContext* context, PassRefPtr<NotificationPermissionCallback> callback)
 {
     ASSERT(toDocument(context)->page());
     NotificationController::from(toDocument(context)->page())->client()->requestPermission(context, callback);
 }
 
 } // namespace WebCore