Replace AllowCrossThreadAccess() + ThreadSafeRefCounted pointers with PassRefPtr

third_party/WebKit/Source/modules/webaudio/OfflineAudioDestinationNode.cpp

 /*
  * Copyright (C) 2011, 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 185 matching lines @@
 }
 
 void OfflineAudioDestinationHandler::suspendOfflineRendering()
 {
     ASSERT(!isMainThread());
 
     // The actual rendering has been suspended. Notify the context.
     if (context()->getExecutionContext()) {
         context()->getExecutionContext()->postTask(
             BLINK_FROM_HERE,
-            createCrossThreadTask(
-                &OfflineAudioDestinationHandler::notifySuspend,
-                this,
-                context()->currentSampleFrame()));
+            createCrossThreadTask(&OfflineAudioDestinationHandler::notifySuspend, PassRefPtr<OfflineAudioDestinationHandler>(this), context()->currentSampleFrame()));

[hiroshige, 2016/05/17 03:46:12]

ditto.

     }
 }
 
 void OfflineAudioDestinationHandler::finishOfflineRendering()
 {
     ASSERT(!isMainThread());
 
     // The actual rendering has been completed. Notify the context.
     if (context()->getExecutionContext()) {
         context()->getExecutionContext()->postTask(BLINK_FROM_HERE,
-            createCrossThreadTask(&OfflineAudioDestinationHandler::notifyComplete, AllowCrossThreadAccess(this)));
+            createCrossThreadTask(&OfflineAudioDestinationHandler::notifyComplete, PassRefPtr<OfflineAudioDestinationHandler>(this)));
     }
 }
 
 void OfflineAudioDestinationHandler::notifySuspend(size_t frame)
 {
     ASSERT(isMainThread());
 
     if (context())
         context()->resolveSuspendOnMainThread(frame);
 }
@@ skipping 80 matching lines @@
 {
     setHandler(OfflineAudioDestinationHandler::create(*this, renderTarget));
 }
 
 OfflineAudioDestinationNode* OfflineAudioDestinationNode::create(AbstractAudioContext* context, AudioBuffer* renderTarget)
 {
     return new OfflineAudioDestinationNode(*context, renderTarget);
 }
 
 } // namespace blink