Remove OwnPtr from Blink.

third_party/WebKit/Source/modules/webaudio/AudioNodeOutput.h

 /*
  * 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 12 matching lines @@
  */
 
 #ifndef AudioNodeOutput_h
 #define AudioNodeOutput_h
 
 #include "modules/webaudio/AudioNode.h"
 #include "modules/webaudio/AudioParam.h"
 #include "platform/audio/AudioBus.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefPtr.h"
+#include <memory>
 
 namespace blink {
 
 class AudioNodeInput;
 
 // AudioNodeOutput represents a single output for an AudioNode.
 // It may be connected to one or more AudioNodeInputs.
 class AudioNodeOutput final {
     USING_FAST_MALLOC(AudioNodeOutput);
 public:
     // It's OK to pass 0 for numberOfChannels in which case
     // setNumberOfChannels() must be called later on.
-    static PassOwnPtr<AudioNodeOutput> create(AudioHandler*, unsigned numberOfChannels);
+    static std::unique_ptr<AudioNodeOutput> create(AudioHandler*, unsigned numberOfChannels);
     void dispose();
 
     // Causes our AudioNode to process if it hasn't already for this render quantum.
     // It returns the bus containing the processed audio for this output, returning inPlaceBus if in-place processing was possible.
     // Called from context's audio thread.
     AudioBus* pull(AudioBus* inPlaceBus, size_t framesToProcess);
 
     // bus() will contain the rendered audio after pull() is called for each rendering time quantum.
     // Called from context's audio thread.
     AudioBus* bus() const;
@@ skipping 103 matching lines @@
     unsigned m_renderingParamFanOutCount;
 
     // This collection of raw pointers is safe because they are retained by
     // AudioParam objects retained by m_connectedParams of the owner AudioNode.
     HashSet<AudioParamHandler*> m_params;
 };
 
 } // namespace blink
 
 #endif // AudioNodeOutput_h