Nuke WebPassOwnPtr<T> and replace it with std::unique_ptr<T>.

third_party/WebKit/Source/modules/presentation/PresentationConnectionCallbacks.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/presentation/PresentationConnectionCallbacks.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "modules/presentation/PresentationConnection.h"
 #include "modules/presentation/PresentationError.h"
 #include "modules/presentation/PresentationRequest.h"
 #include "public/platform/modules/presentation/WebPresentationConnectionClient.h"
 #include "public/platform/modules/presentation/WebPresentationError.h"
 
 namespace blink {
 
 PresentationConnectionCallbacks::PresentationConnectionCallbacks(ScriptPromiseResolver* resolver, PresentationRequest* request)
     : m_resolver(resolver)
     , m_request(request)
 {
     ASSERT(m_resolver);
     ASSERT(m_request);
 }
 
-void PresentationConnectionCallbacks::onSuccess(WebPassOwnPtr<WebPresentationConnectionClient> PresentationConnectionClient)
+void PresentationConnectionCallbacks::onSuccess(std::unique_ptr<WebPresentationConnectionClient> PresentationConnectionClient)
 {
-    OwnPtr<WebPresentationConnectionClient> result(PresentationConnectionClient.release());
+    OwnPtr<WebPresentationConnectionClient> result(adoptPtr(PresentationConnectionClient.release()));
 
     if (!m_resolver->getExecutionContext() || m_resolver->getExecutionContext()->activeDOMObjectsAreStopped())
         return;
     m_resolver->resolve(PresentationConnection::take(m_resolver.get(), result.release(), m_request));
 }
 
 void PresentationConnectionCallbacks::onError(const WebPresentationError& error)
 {
     if (!m_resolver->getExecutionContext() || m_resolver->getExecutionContext()->activeDOMObjectsAreStopped())
         return;
     m_resolver->reject(PresentationError::take(m_resolver.get(), error));
 }
 
 } // namespace blink