Wrap GCed raw pointer parameters of WTF::bind with Persistent

third_party/WebKit/Source/modules/webaudio/AbstractAudioContext.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 584 matching lines @@
 
     if (newState == m_contextState) {
         // ASSERTs above failed; just return.
         return;
     }
 
     m_contextState = newState;
 
     // Notify context that state changed
     if (getExecutionContext())
-        getExecutionContext()->postTask(BLINK_FROM_HERE, createSameThreadTask(&AbstractAudioContext::notifyStateChange, this));
+        getExecutionContext()->postTask(BLINK_FROM_HERE, createSameThreadTask(&AbstractAudioContext::notifyStateChange, wrapPersistent(this)));
 }
 
 void AbstractAudioContext::notifyStateChange()
 {
     dispatchEvent(Event::create(EventTypeNames::statechange));
 }
 
 void AbstractAudioContext::notifySourceNodeFinishedProcessing(AudioHandler* handler)
 {
     ASSERT(isAudioThread());
@@ skipping 214 matching lines @@
 
 SecurityOrigin* AbstractAudioContext::getSecurityOrigin() const
 {
     if (getExecutionContext())
         return getExecutionContext()->getSecurityOrigin();
 
     return nullptr;
 }
 
 } // namespace blink