Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/mediastream/MediaStreamCenter.cpp

 /*
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  * Copyright (C) 2012 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 22 matching lines @@
 
 #include "platform/mediastream/MediaStreamDescriptor.h"
 #include "platform/mediastream/MediaStreamTrackSourcesRequest.h"
 #include "platform/mediastream/MediaStreamWebAudioSource.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebAudioSourceProvider.h"
 #include "public/platform/WebMediaStream.h"
 #include "public/platform/WebMediaStreamCenter.h"
 #include "public/platform/WebMediaStreamTrack.h"
 #include "wtf/Assertions.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 MediaStreamCenter& MediaStreamCenter::instance()
 {
     ASSERT(isMainThread());
     DEFINE_STATIC_LOCAL(MediaStreamCenter, center, ());
     return center;
 }
 
 MediaStreamCenter::MediaStreamCenter()
-    : m_private(wrapUnique(Platform::current()->createMediaStreamCenter(this)))
+    : m_private(adoptPtr(Platform::current()->createMediaStreamCenter(this)))
 {
 }
 
 MediaStreamCenter::~MediaStreamCenter()
 {
 }
 
 void MediaStreamCenter::didSetMediaStreamTrackEnabled(MediaStreamComponent* component)
 {
     if (m_private) {
@@ skipping 48 matching lines @@
         m_private->didCreateMediaStream(webStream);
     }
 }
 
 void MediaStreamCenter::didCreateMediaStreamTrack(MediaStreamComponent* track)
 {
     if (m_private)
         m_private->didCreateMediaStreamTrack(track);
 }
 
-std::unique_ptr<AudioSourceProvider> MediaStreamCenter::createWebAudioSourceFromMediaStreamTrack(MediaStreamComponent* track)
+PassOwnPtr<AudioSourceProvider> MediaStreamCenter::createWebAudioSourceFromMediaStreamTrack(MediaStreamComponent* track)
 {
     ASSERT_UNUSED(track, track);
     if (m_private)
-        return MediaStreamWebAudioSource::create(wrapUnique(m_private->createWebAudioSourceFromMediaStreamTrack(track)));
+        return MediaStreamWebAudioSource::create(adoptPtr(m_private->createWebAudioSourceFromMediaStreamTrack(track)));
 
     return nullptr;
 }
 
 void MediaStreamCenter::stopLocalMediaStream(const WebMediaStream& webStream)
 {
     MediaStreamDescriptor* stream = webStream;
     MediaStreamDescriptorClient* client = stream->client();
     if (client)
         client->streamEnded();
     else
         stream->setEnded();
 }
 
 } // namespace blink