ServiceWorker: Replace RegistrationCallback and GetRegistrationsCallback with CallbackPromiseAdapter

content/child/service_worker/web_service_worker_registration_impl.h

 // Copyright 2014 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_REGISTRATION_IMPL_H_
 #define CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_REGISTRATION_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 60 matching lines @@
   int64_t registrationId() const override;
 
   using WebServiceWorkerRegistrationHandle =
       blink::WebServiceWorkerRegistration::Handle;
 
   // Creates WebServiceWorkerRegistrationHandle object that owns a reference to
   // the given WebServiceWorkerRegistrationImpl object.
   static std::unique_ptr<WebServiceWorkerRegistrationHandle> CreateHandle(
       const scoped_refptr<WebServiceWorkerRegistrationImpl>& registration);
 
-  // Same with CreateHandle(), but returns a raw pointer to the handle w/ its
-  // ownership instead. The caller must manage the ownership. This function must
-  // be used only for passing the handle to Blink API that does not support
-  // blink::WebPassOwnPtr.
-  static WebServiceWorkerRegistrationHandle* CreateLeakyHandle(
-      const scoped_refptr<WebServiceWorkerRegistrationImpl>& registration);
-
  private:
   friend class base::RefCounted<WebServiceWorkerRegistrationImpl>;
   ~WebServiceWorkerRegistrationImpl() override;
 
   enum QueuedTaskType {
     INSTALLING,
     WAITING,
     ACTIVE,
     UPDATE_FOUND,
   };
@@ skipping 13 matching lines @@
   blink::WebServiceWorkerRegistrationProxy* proxy_;
 
   std::vector<QueuedTask> queued_tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(WebServiceWorkerRegistrationImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_REGISTRATION_IMPL_H_