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

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerLinkResource.cpp

 // Copyright 2016 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/serviceworkers/ServiceWorkerLinkResource.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "modules/serviceworkers/NavigatorServiceWorker.h"
 #include "modules/serviceworkers/ServiceWorkerContainer.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebScheduler.h"
 
 namespace blink {
 
 namespace {
 
 class RegistrationCallback : public WebServiceWorkerProvider::WebServiceWorkerRegistrationCallbacks {
 public:
     explicit RegistrationCallback(LinkLoaderClient* client) : m_client(client) {}
     ~RegistrationCallback() override {}
 
-    void onSuccess(WebPassOwnPtr<WebServiceWorkerRegistration::Handle> handle) override
+    void onSuccess(std::unique_ptr<WebServiceWorkerRegistration::Handle> handle) override
     {
         Platform::current()->currentThread()->scheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE, bind(&LinkLoaderClient::linkLoaded, m_client));
     }
 
     void onError(const WebServiceWorkerError& error) override
     {
         Platform::current()->currentThread()->scheduler()->timerTaskRunner()->postTask(BLINK_FROM_HERE, bind(&LinkLoaderClient::linkLoadingErrored, m_client));
     }
 
 private:
@@ skipping 47 matching lines @@
 {
     process();
 }
 
 ServiceWorkerLinkResource::ServiceWorkerLinkResource(HTMLLinkElement* owner)
     : LinkResource(owner)
 {
 }
 
 } // namespace blink