Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/mediastream/MediaStreamComponent.h

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * Copyright (C) 2013 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.
@@ skipping 20 matching lines @@
 
 #ifndef MediaStreamComponent_h
 #define MediaStreamComponent_h
 
 #include "platform/audio/AudioSourceProvider.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebMediaStreamTrack.h"
 #include "wtf/Forward.h"
 #include "wtf/ThreadingPrimitives.h"
 #include "wtf/text/WTFString.h"
-#include <memory>
 
 namespace blink {
 
 class MediaStreamSource;
 class WebAudioSourceProvider;
 
 // A MediaStreamComponent is a MediaStreamTrack.
 // TODO(hta): Consider merging the two classes.
 
 class PLATFORM_EXPORT MediaStreamComponent final : public GarbageCollectedFinalized<MediaStreamComponent> {
@@ skipping 20 matching lines @@
 
     String id() const { return m_id; }
     bool enabled() const { return m_enabled; }
     void setEnabled(bool enabled) { m_enabled = enabled; }
     bool muted() const { return m_muted; }
     void setMuted(bool muted) { m_muted = muted; }
     AudioSourceProvider* getAudioSourceProvider() { return &m_sourceProvider; }
     void setSourceProvider(WebAudioSourceProvider* provider) { m_sourceProvider.wrap(provider); }
 
     TrackData* getTrackData() const { return m_trackData.get(); }
-    void setTrackData(std::unique_ptr<TrackData> trackData) { m_trackData = std::move(trackData); }
+    void setTrackData(PassOwnPtr<TrackData> trackData) { m_trackData = std::move(trackData); }
     void getSettings(WebMediaStreamTrack::Settings&);
 
     DECLARE_TRACE();
 
 private:
     MediaStreamComponent(const String& id, MediaStreamSource*);
 
     // AudioSourceProviderImpl wraps a WebAudioSourceProvider::provideInput()
     // calls into chromium to get a rendered audio stream.
 
@@ skipping 15 matching lines @@
     private:
         WebAudioSourceProvider* m_webAudioSourceProvider;
         Mutex m_provideInputLock;
     };
 
     AudioSourceProviderImpl m_sourceProvider;
     Member<MediaStreamSource> m_source;
     String m_id;
     bool m_enabled;
     bool m_muted;
-    std::unique_ptr<TrackData> m_trackData;
+    OwnPtr<TrackData> m_trackData;
 };
 
 typedef HeapVector<Member<MediaStreamComponent>> MediaStreamComponentVector;
 
 } // namespace blink
 
 #endif // MediaStreamComponent_h