Introduce WebTaskRunner Patch 3/5

Source/modules/webaudio/DeferredTaskHandler.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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 229 matching lines @@
 }
 
 void DeferredTaskHandler::requestToDeleteHandlersOnMainThread()
 {
     ASSERT(isGraphOwner());
     ASSERT(isAudioThread());
     if (m_renderingOrphanHandlers.isEmpty())
         return;
     m_deletableOrphanHandlers.appendVector(m_renderingOrphanHandlers);
     m_renderingOrphanHandlers.clear();
-    Platform::current()->mainThread()->postTask(FROM_HERE, threadSafeBind(&DeferredTaskHandler::deleteHandlersOnMainThread, PassRefPtr<DeferredTaskHandler>(this)));
+    Platform::current()->mainThread()->taskRunner()->postTask(FROM_HERE, threadSafeBind(&DeferredTaskHandler::deleteHandlersOnMainThread, PassRefPtr<DeferredTaskHandler>(this)));
 }
 
 void DeferredTaskHandler::deleteHandlersOnMainThread()
 {
     ASSERT(isMainThread());
     AutoLocker locker(*this);
     m_deletableOrphanHandlers.clear();
 }
 
 void DeferredTaskHandler::clearHandlersToBeDeleted()
 {
     ASSERT(isMainThread());
     AutoLocker locker(*this);
     m_renderingOrphanHandlers.clear();
     m_deletableOrphanHandlers.clear();
 }
 
 } // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)