ServiceWorker: Add support for .skipWaiting and controllerchange event(2/3)

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 408 matching lines @@
   }
 
   // "10. Set registration.waitingWorker to registration.installingWorker."
   // "11. Set registration.installingWorker to null."
   registration()->SetWaitingVersion(new_version());
 
   // "12. Run the [[UpdateState]] algorithm passing registration.waitingWorker
   // and "installed" as the arguments."
   new_version()->SetStatus(ServiceWorkerVersion::INSTALLED);
 
-  // TODO(michaeln): "13. If activateImmediate is true, then..."
-
-  // "14. Wait until no document is using registration as their
-  // Service Worker registration."
+  // "If registration's waiting worker's skip waiting flag is set:" then
+  // activate the worker immediately otherwise "wait until no service worker
+  // client is using registration as their service worker registration."
   registration()->ActivateWaitingVersionWhenReady();
 
   Complete(SERVICE_WORKER_OK);
 }
 
 void ServiceWorkerRegisterJob::Complete(ServiceWorkerStatusCode status) {
   CompleteInternal(status);
   context_->job_coordinator()->FinishJob(pattern_, this);
 }
 
@@ skipping 108 matching lines @@
     ServiceWorkerProviderHost* host = it->GetProviderHost();
     if (ServiceWorkerUtils::ScopeMatches(registration->pattern(),
                                          host->document_url())) {
       if (host->CanAssociateRegistration(registration))
         host->AssociateRegistration(registration);
     }
   }
 }
 
 }  // namespace content