Oilpan: A thread that is not attached to Oilpan shouldn't create a CrossThreadPersistent

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 17 matching lines @@
 
 #include "config.h"
 
 #if ENABLE(WEB_AUDIO)
 
 #include "platform/audio/HRTFDatabaseLoader.h"
 
 #include "platform/Task.h"
 #include "public/platform/Platform.h"
 #include "wtf/MainThread.h"
+#include "wtf/UnretainedPtr.h"
 
 namespace blink {
 
 typedef HeapHashMap<double, WeakMember<HRTFDatabaseLoader> > LoaderMap;
 
 static LoaderMap& loaderMap()
 {
     DEFINE_STATIC_LOCAL(Persistent<LoaderMap>, map, (new LoaderMap));
     return *map;
 }
@@ skipping 39 matching lines @@
 
 void HRTFDatabaseLoader::loadAsynchronously()
 {
     ASSERT(isMainThread());
 
     MutexLocker locker(m_threadLock);
 
     if (!m_hrtfDatabase && !m_databaseLoaderThread) {
         // Start the asynchronous database loading process.
         m_databaseLoaderThread = adoptPtr(Platform::current()->createThread("HRTF database loader"));
-        m_databaseLoaderThread->postTask(new Task(WTF::bind(&HRTFDatabaseLoader::load, this)));
+        m_databaseLoaderThread->postTask(new Task(WTF::bind(&HRTFDatabaseLoader::load, UnretainedPtr<HRTFDatabaseLoader>(this))));
     }
 }
 
 bool HRTFDatabaseLoader::isLoaded() const
 {
     return m_hrtfDatabase;
 }
 
 void HRTFDatabaseLoader::waitForLoaderThreadCompletion()
 {
     MutexLocker locker(m_threadLock);
     m_databaseLoaderThread.clear();
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)