Remove unnecessary members for tricky lazy initialization in AudioContext.

Source/modules/webaudio/AudioNode.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 509 matching lines @@
     } else {
         // We were unable to get the lock, so put this in a list to finish up later.
         ASSERT(context()->isAudioThread());
         ASSERT(refType == RefTypeConnection);
         context()->addDeferredFinishDeref(this);
     }
 
     // Once AudioContext::uninitialize() is called there's no more chances for deleteMarkedNodes() to get called, so we call here.
     // We can't call in AudioContext::~AudioContext() since it will never be called as long as any AudioNode is alive
     // because AudioNodes keep a reference to the context.
-    if (context()->isAudioThreadFinished())
+    if (!context()->isInitialized())
         context()->deleteMarkedNodes();
 }
 
 void AudioNode::finishDeref(RefType refType)
 {
     ASSERT(context()->isGraphOwner());
 
     switch (refType) {
     case RefTypeNormal:
         ASSERT(m_normalRefCount > 0);
@@ skipping 62 matching lines @@
     // it cannot be reattached. Therefore, the reference count
     // will not go above zero again.
     ASSERT(m_keepAlive);
     m_keepAlive = nullptr;
 }
 #endif
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)