ServiceWorker: Decompose SWRegistration::SetVersionInternal for readability

content/browser/service_worker/service_worker_storage.cc

 // 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.
 
 #include "content/browser/service_worker/service_worker_storage.h"
 
 #include "base/bind_helpers.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 1279 matching lines @@
       context_->GetLiveVersion(data.version_id);
   if (!version.get()) {
     version = new ServiceWorkerVersion(
         registration.get(), data.script, data.version_id, context_);
     version->SetStatus(data.is_active ?
         ServiceWorkerVersion::ACTIVATED : ServiceWorkerVersion::INSTALLED);
     version->script_cache_map()->SetResources(resources);
   }
 
   if (version->status() == ServiceWorkerVersion::ACTIVATED)
-    registration->SetActiveVersion(version.get());
+    registration->SetActiveVersion(version);
   else if (version->status() == ServiceWorkerVersion::INSTALLED)
-    registration->SetWaitingVersion(version.get());
+    registration->SetWaitingVersion(version);
   else
     NOTREACHED();
 
   return registration;
 }
 
 ServiceWorkerRegistration*
 ServiceWorkerStorage::FindInstallingRegistrationForDocument(
     const GURL& document_url) {
   DCHECK(!document_url.has_ref());
@@ skipping 480 matching lines @@
     callback.Run(SERVICE_WORKER_ERROR_FAILED);
     return;
   }
   DVLOG(1) << "Deleted ServiceWorkerDiskCache successfully.";
   ServiceWorkerMetrics::RecordDeleteAndStartOverResult(
       ServiceWorkerMetrics::DELETE_OK);
   callback.Run(SERVICE_WORKER_OK);
 }
 
 }  // namespace content