Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/mediarecorder/MediaRecorder.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/mediarecorder/MediaRecorder.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "core/events/Event.h"
 #include "core/fileapi/Blob.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "modules/EventTargetModules.h"
 #include "modules/mediarecorder/BlobEvent.h"
 #include "platform/ContentType.h"
 #include "platform/blob/BlobData.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebMediaStream.h"
-#include "wtf/PtrUtil.h"
 #include <algorithm>
 
 namespace blink {
 
 namespace {
 
 // Boundaries of Opus bitrate from https://www.opus-codec.org/.
 const int kSmallestPossibleOpusBitRate = 6000;
 const int kLargestAutoAllocatedOpusBitRate = 128000;
 
@@ skipping 111 matching lines @@
     , m_mimeType(options.mimeType())
     , m_stopped(true)
     , m_ignoreMutedMedia(true)
     , m_audioBitsPerSecond(0)
     , m_videoBitsPerSecond(0)
     , m_state(State::Inactive)
     , m_dispatchScheduledEventRunner(AsyncMethodRunner<MediaRecorder>::create(this, &MediaRecorder::dispatchScheduledEvent))
 {
     DCHECK(m_stream->getTracks().size());
 
-    m_recorderHandler = wrapUnique(Platform::current()->createMediaRecorderHandler());
+    m_recorderHandler = adoptPtr(Platform::current()->createMediaRecorderHandler());
     DCHECK(m_recorderHandler);
 
     if (!m_recorderHandler) {
         exceptionState.throwDOMException(NotSupportedError, "No MediaRecorder handler can be created.");
         return;
     }
 
     AllocateVideoAndAudioBitrates(exceptionState, context, options, stream, &m_audioBitsPerSecond, &m_videoBitsPerSecond);
 
     const ContentType contentType(m_mimeType);
@@ skipping 192 matching lines @@
 DEFINE_TRACE(MediaRecorder)
 {
     visitor->trace(m_stream);
     visitor->trace(m_dispatchScheduledEventRunner);
     visitor->trace(m_scheduledEvents);
     EventTargetWithInlineData::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink