Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/web/AudioOutputDeviceClientImpl.cpp

Index: third_party/WebKit/Source/web/AudioOutputDeviceClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/AudioOutputDeviceClientImpl.cpp b/third_party/WebKit/Source/web/AudioOutputDeviceClientImpl.cpp
index f1d324249f994885cd218484fa2e27b3a81e2ae5..4607fba51b53091f1fca42d920031033b48b8d7f 100644
--- a/third_party/WebKit/Source/web/AudioOutputDeviceClientImpl.cpp
+++ b/third_party/WebKit/Source/web/AudioOutputDeviceClientImpl.cpp
@@ -8,7 +8,6 @@
 #include "core/dom/ExecutionContext.h"
 #include "public/web/WebFrameClient.h"
 #include "web/WebLocalFrameImpl.h"
-#include <memory>
 
 namespace blink {
 
@@ -25,13 +24,13 @@ 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