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

content/child/service_worker/web_service_worker_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_IMPL_H_
 #define CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_IMPL_H_
 
+#include <memory>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebMessagePortChannel.h"
-#include "third_party/WebKit/public/platform/WebPassOwnPtr.h"
 #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorker.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 
 namespace blink {
 class WebServiceWorkerProxy;
 }
 
 namespace content {
 
 class ServiceWorkerHandleReference;
@@ skipping 22 matching lines @@
   blink::WebURL url() const override;
   blink::WebServiceWorkerState state() const override;
   void postMessage(blink::WebServiceWorkerProvider* provider,
                    const blink::WebString& message,
                    const blink::WebSecurityOrigin& source_origin,
                    blink::WebMessagePortChannelArray* channels) override;
   void terminate() override;
 
   // Creates WebServiceWorker::Handle object that owns a reference to the given
   // WebServiceWorkerImpl object.
-  static blink::WebPassOwnPtr<blink::WebServiceWorker::Handle> CreateHandle(
+  static std::unique_ptr<blink::WebServiceWorker::Handle> CreateHandle(
       const scoped_refptr<WebServiceWorkerImpl>& worker);
 
  private:
   friend class base::RefCounted<WebServiceWorkerImpl>;
   ~WebServiceWorkerImpl() override;
 
   scoped_ptr<ServiceWorkerHandleReference> handle_ref_;
   blink::WebServiceWorkerState state_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   blink::WebServiceWorkerProxy* proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(WebServiceWorkerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_IMPL_H_