Remove duplicated headers from modules/ directory

Source/modules/indexeddb/IDBRequest.cpp

 /*
  * Copyright (C) 2010 Google 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 20 matching lines @@
 
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "bindings/v8/IDBBindingUtilities.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/events/EventQueue.h"
 #include "modules/indexeddb/IDBCursorWithValue.h"
 #include "modules/indexeddb/IDBDatabase.h"
 #include "modules/indexeddb/IDBEventDispatcher.h"
 #include "modules/indexeddb/IDBTracing.h"
-#include "modules/indexeddb/IDBTransaction.h"
 #include "platform/SharedBuffer.h"
-#include "public/platform/WebIDBCursor.h"
 
 namespace WebCore {
 
 PassRefPtr<IDBRequest> IDBRequest::create(ExecutionContext* context, PassRefPtr<IDBAny> source, IDBTransaction* transaction)
 {
     RefPtr<IDBRequest> request(adoptRef(new IDBRequest(context, source, transaction)));
     request->suspendIfNeeded();
     // Requests associated with IDBFactory (open/deleteDatabase/getDatabaseNames) are not associated with transactions.
     if (transaction)
         transaction->registerRequest(request.get());
@@ skipping 462 matching lines @@
 
 void IDBRequest::dequeueEvent(Event* event)
 {
     for (size_t i = 0; i < m_enqueuedEvents.size(); ++i) {
         if (m_enqueuedEvents[i].get() == event)
             m_enqueuedEvents.remove(i);
     }
 }
 
 } // namespace WebCore