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

content/child/service_worker/web_service_worker_impl.cc

 // Copyright 2013 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 "content/child/service_worker/web_service_worker_impl.h"
 
 #include <utility>
 
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "content/child/service_worker/service_worker_dispatcher.h"
 #include "content/child/service_worker/service_worker_handle_reference.h"
 #include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/webmessageportchannel_impl.h"
 #include "content/common/service_worker/service_worker_messages.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProxy.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
@@ skipping 111 matching lines @@
                  url::Origin(source_origin),
                  base::Passed(make_scoped_ptr(channels))));
 }
 
 void WebServiceWorkerImpl::terminate() {
   thread_safe_sender_->Send(
       new ServiceWorkerHostMsg_TerminateWorker(handle_ref_->handle_id()));
 }
 
 // static
-blink::WebPassOwnPtr<blink::WebServiceWorker::Handle>
+std::unique_ptr<blink::WebServiceWorker::Handle>
 WebServiceWorkerImpl::CreateHandle(
     const scoped_refptr<WebServiceWorkerImpl>& worker) {
   if (!worker)
     return nullptr;
-  return blink::adoptWebPtr(new HandleImpl(worker));
+  return base::WrapUnique(new HandleImpl(worker));
 }
 
 WebServiceWorkerImpl::~WebServiceWorkerImpl() {
   ServiceWorkerDispatcher* dispatcher =
       ServiceWorkerDispatcher::GetThreadSpecificInstance();
   if (dispatcher)
     dispatcher->RemoveServiceWorker(handle_ref_->handle_id());
 }
 
 }  // namespace content