Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/web/AudioOutputDeviceClientImpl.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 "web/AudioOutputDeviceClientImpl.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "public/web/WebFrameClient.h"
 #include "web/WebLocalFrameImpl.h"
-#include <memory>
 
 namespace blink {
 
 AudioOutputDeviceClientImpl* AudioOutputDeviceClientImpl::create()
 {
     return new AudioOutputDeviceClientImpl();
 }
 
 AudioOutputDeviceClientImpl::AudioOutputDeviceClientImpl()
 {
 }
 
 AudioOutputDeviceClientImpl::~AudioOutputDeviceClientImpl()
 {
 }
 
-void AudioOutputDeviceClientImpl::checkIfAudioSinkExistsAndIsAuthorized(ExecutionContext* context, const WebString& sinkId, std::unique_ptr<WebSetSinkIdCallbacks> callbacks)
+void AudioOutputDeviceClientImpl::checkIfAudioSinkExistsAndIsAuthorized(ExecutionContext* context, const WebString& sinkId, PassOwnPtr<WebSetSinkIdCallbacks> callbacks)
 {
     DCHECK(context);
     DCHECK(context->isDocument());
     Document* document = toDocument(context);
     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(document->frame());
-    webFrame->client()->checkIfAudioSinkExistsAndIsAuthorized(sinkId, WebSecurityOrigin(context->getSecurityOrigin()), callbacks.release());
+    webFrame->client()->checkIfAudioSinkExistsAndIsAuthorized(sinkId, WebSecurityOrigin(context->getSecurityOrigin()), callbacks.leakPtr());
 }
 
 } // namespace blink