Remove duplicated headers from platform/

Source/platform/audio/HRTFDatabaseLoader.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 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #if ENABLE(WEB_AUDIO)
 
 #include "platform/audio/HRTFDatabaseLoader.h"
 
 #include "platform/Task.h"
-#include "platform/audio/HRTFDatabase.h"
 #include "public/platform/Platform.h"
 #include "wtf/MainThread.h"
 
 namespace WebCore {
 
 // Singleton
 HRTFDatabaseLoader::LoaderMap* HRTFDatabaseLoader::s_loaderMap = 0;
 
 PassRefPtr<HRTFDatabaseLoader> HRTFDatabaseLoader::createAndLoadAsynchronouslyIfNecessary(float sampleRate)
 {
@@ skipping 65 matching lines @@
 
 void HRTFDatabaseLoader::waitForLoaderThreadCompletion()
 {
     MutexLocker locker(m_threadLock);
     m_databaseLoaderThread.clear();
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)