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

third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProvider.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebServiceWorkerProvider_h
 #define WebServiceWorkerProvider_h
 
 #include "public/platform/WebCallbacks.h"
-#include "public/platform/WebPassOwnPtr.h"
 #include "public/platform/WebVector.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
 
+#include <memory>
+
 namespace blink {
 
 class WebURL;
 class WebServiceWorker;
 class WebServiceWorkerProviderClient;
 struct WebServiceWorkerError;
 
 // Created on the main thread, and may be passed to another script context
 // thread (e.g. worker thread) later. All methods of this class must be called
 // on the single script context thread.
 class WebServiceWorkerProvider {
 public:
     // Called when a client wants to start listening to the service worker
     // events. Must be cleared before the client becomes invalid.
     virtual void setClient(WebServiceWorkerProviderClient*) { }
 
-    using WebServiceWorkerRegistrationCallbacks = WebCallbacks<WebPassOwnPtr<WebServiceWorkerRegistration::Handle>, const WebServiceWorkerError&>;
-    using WebServiceWorkerGetRegistrationCallbacks = WebCallbacks<WebPassOwnPtr<WebServiceWorkerRegistration::Handle>, const WebServiceWorkerError&>;
+    using WebServiceWorkerRegistrationCallbacks = WebCallbacks<std::unique_ptr<WebServiceWorkerRegistration::Handle>, const WebServiceWorkerError&>;
+    using WebServiceWorkerGetRegistrationCallbacks = WebCallbacks<std::unique_ptr<WebServiceWorkerRegistration::Handle>, const WebServiceWorkerError&>;
 
     // Each element's ownership is transferred.
-    // TODO(yhirano): Consider using vector<std::unique_ptr<>>.
-    using WebServiceWorkerGetRegistrationsCallbacks = WebCallbacks<WebPassOwnPtr<WebVector<WebServiceWorkerRegistration::Handle*>>, const WebServiceWorkerError&>;
-    using WebServiceWorkerGetRegistrationForReadyCallbacks = WebCallbacks<WebPassOwnPtr<WebServiceWorkerRegistration::Handle>, void>;
+    using WebServiceWorkerGetRegistrationsCallbacks = WebCallbacks<std::unique_ptr<WebVector<WebServiceWorkerRegistration::Handle*>>, const WebServiceWorkerError&>;
+    using WebServiceWorkerGetRegistrationForReadyCallbacks = WebCallbacks<std::unique_ptr<WebServiceWorkerRegistration::Handle>, void>;
 
     virtual void registerServiceWorker(const WebURL& pattern, const WebURL& scriptUrl, WebServiceWorkerRegistrationCallbacks*) { }
     virtual void getRegistration(const WebURL& documentURL, WebServiceWorkerGetRegistrationCallbacks*) { }
     virtual void getRegistrations(WebServiceWorkerGetRegistrationsCallbacks*) { }
     virtual void getRegistrationForReady(WebServiceWorkerGetRegistrationForReadyCallbacks*) { }
     virtual bool validateScopeAndScriptURL(const WebURL& scope, const WebURL& scriptURL, WebString* errorMessage) { return false; }
 
     virtual ~WebServiceWorkerProvider() { }
 };
 
 } // namespace blink
 
 #endif