Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.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 AudioBufferSourceNode_h
 #define AudioBufferSourceNode_h
 
 #include "modules/webaudio/AudioBuffer.h"
 #include "modules/webaudio/AudioParam.h"
 #include "modules/webaudio/AudioScheduledSourceNode.h"
 #include "modules/webaudio/PannerNode.h"
 #include "platform/audio/AudioBus.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Threading.h"
-#include <memory>
 
 namespace blink {
 
 class AbstractAudioContext;
 
 // AudioBufferSourceNode is an AudioNode representing an audio source from an in-memory audio asset represented by an AudioBuffer.
 // It generally will be used for short sounds which require a high degree of scheduling flexibility (can playback in rhythmically perfect ways).
 
 class AudioBufferSourceHandler final : public AudioScheduledSourceHandler {
 public:
@@ skipping 49 matching lines @@
 
     // Clamps grain parameters to the duration of the given AudioBuffer.
     void clampGrainParameters(const AudioBuffer*);
 
     // m_buffer holds the sample data which this node outputs.
     // This Persistent doesn't make a reference cycle including
     // AudioBufferSourceNode.
     Persistent<AudioBuffer> m_buffer;
 
     // Pointers for the buffer and destination.
-    std::unique_ptr<const float*[]> m_sourceChannels;
-    std::unique_ptr<float*[]> m_destinationChannels;
+    OwnPtr<const float*[]> m_sourceChannels;
+    OwnPtr<float*[]> m_destinationChannels;
 
     RefPtr<AudioParamHandler> m_playbackRate;
     RefPtr<AudioParamHandler> m_detune;
 
     // If m_isLooping is false, then this node will be done playing and become inactive after it reaches the end of the sample data in the buffer.
     // If true, it will wrap around to the start of the buffer each time it reaches the end.
     bool m_isLooping;
 
     // True if the source .loop attribute was ever set.
     bool m_didSetLooping;
@@ skipping 46 matching lines @@
 private:
     AudioBufferSourceNode(AbstractAudioContext&);
 
     Member<AudioParam> m_playbackRate;
     Member<AudioParam> m_detune;
 };
 
 } // namespace blink
 
 #endif // AudioBufferSourceNode_h