ServiceWorker: Replace RegistrationCallback and GetRegistrationsCallback with CallbackPromiseAdapter

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

Index: third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProvider.h
diff --git a/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProvider.h b/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProvider.h
index 513cb9dc6e5f3d6a254f1c45ba0ce95debcd8e1e..33acad2b3bf1dbc74fd78c36b7b93c9addd30404 100644
--- a/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProvider.h
+++ b/third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerProvider.h
@@ -59,10 +59,11 @@ class WebServiceWorkerProvider {
       WebCallbacks<std::unique_ptr<WebServiceWorkerRegistration::Handle>,
                    const WebServiceWorkerError&>;
 
-  // Each element's ownership is transferred.
-  using WebServiceWorkerGetRegistrationsCallbacks = WebCallbacks<
-      std::unique_ptr<WebVector<WebServiceWorkerRegistration::Handle*>>,
-      const WebServiceWorkerError&>;
+  using WebServiceWorkerRegistrationHandles =
+      WebVector<std::unique_ptr<WebServiceWorkerRegistration::Handle>>;
+  using WebServiceWorkerGetRegistrationsCallbacks =
+      WebCallbacks<std::unique_ptr<WebServiceWorkerRegistrationHandles>,
+                   const WebServiceWorkerError&>;
   using WebServiceWorkerGetRegistrationForReadyCallbacks =
       WebCallbacks<std::unique_ptr<WebServiceWorkerRegistration::Handle>, void>;