Remove duplicated headers from modules/ directory

Source/modules/indexeddb/IDBCursor.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 15 matching lines @@
 #include "config.h"
 #include "modules/indexeddb/IDBCursor.h"
 
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/IDBBindingUtilities.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "modules/indexeddb/IDBAny.h"
 #include "modules/indexeddb/IDBDatabase.h"
-#include "modules/indexeddb/IDBKey.h"
 #include "modules/indexeddb/IDBObjectStore.h"
-#include "modules/indexeddb/IDBRequest.h"
 #include "modules/indexeddb/IDBTracing.h"
 #include "modules/indexeddb/IDBTransaction.h"
 #include "modules/indexeddb/WebIDBCallbacksImpl.h"
-#include "platform/SharedBuffer.h"
-#include "platform/SharedBuffer.h"
-#include "public/platform/WebIDBCursor.h"
 #include "public/platform/WebIDBDatabase.h"
 #include "public/platform/WebIDBKeyRange.h"
 #include <limits>
 
 using blink::WebIDBDatabase;
 
 namespace WebCore {
 
 PassRefPtr<IDBCursor> IDBCursor::create(PassOwnPtr<blink::WebIDBCursor> backend, IndexedDB::CursorDirection direction, IDBRequest* request, IDBAny* source, IDBTransaction* transaction)
 {
@@ skipping 342 matching lines @@
     case IndexedDB::CursorPrevNoDuplicate:
         return IDBCursor::directionPrevUnique();
 
     default:
         ASSERT_NOT_REACHED();
         return IDBCursor::directionNext();
     }
 }
 
 } // namespace WebCore