Store the service worker script and its imports on first load... really

content/browser/service_worker/service_worker_register_job.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_register_job.h"
 
 #include <vector>
 
 #include "base/message_loop/message_loop.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
@@ skipping 71 matching lines @@
 
 void ServiceWorkerRegisterJob::set_registration(
     ServiceWorkerRegistration* registration) {
   DCHECK(phase_ == START || phase_ == REGISTER) << phase_;
   DCHECK(!internal_.registration);
   internal_.registration = registration;
 }
 
 ServiceWorkerRegistration* ServiceWorkerRegisterJob::registration() {
   DCHECK(phase_ >= REGISTER) << phase_;
-  DCHECK(internal_.registration);
   return internal_.registration;
 }
 
 void ServiceWorkerRegisterJob::set_pending_version(
     ServiceWorkerVersion* version) {
   DCHECK(phase_ == UPDATE) << phase_;
   DCHECK(!internal_.pending_version);
   internal_.pending_version = version;
 }
 
@@ skipping 304 matching lines @@
        !it->IsAtEnd();
        it->Advance()) {
     ServiceWorkerProviderHost* provider_host = it->GetProviderHost();
     if (ServiceWorkerUtils::ScopeMatches(pattern_,
                                          provider_host->document_url()))
       provider_host->SetPendingVersion(version);
   }
 }
 
 }  // namespace content