Service Worker: set active worker to REDUNDANT when unregistered

content/browser/service_worker/service_worker_register_job.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_
 
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 67 matching lines @@
      ABORT,
   };
 
   // Holds internal state of ServiceWorkerRegistrationJob, to compel use of the
   // getter/setter functions.
   struct Internal {
     Internal();
     ~Internal();
     scoped_refptr<ServiceWorkerRegistration> registration;
 
-    // Holds 'installing' or 'waiting' version depending on the phase.
+    // Holds the version created by this job. It can be the 'installing',
+    // 'waiting', or 'active' version depending on the phase.
     scoped_refptr<ServiceWorkerVersion> new_version;
   };
 
   void set_registration(ServiceWorkerRegistration* registration);
   ServiceWorkerRegistration* registration();
   void set_new_version(ServiceWorkerVersion* version);
   ServiceWorkerVersion* new_version();
 
   void SetPhase(Phase phase);
 
@@ skipping 56 matching lines @@
   scoped_refptr<ServiceWorkerRegistration> promise_resolved_registration_;
   scoped_refptr<ServiceWorkerVersion> promise_resolved_version_;
   base::WeakPtrFactory<ServiceWorkerRegisterJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRegisterJob);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_REGISTER_JOB_H_