Service Worker: set active worker to REDUNDANT when unregistered

content/browser/service_worker/service_worker_storage.h

Index: content/browser/service_worker/service_worker_storage.h
diff --git a/content/browser/service_worker/service_worker_storage.h b/content/browser/service_worker/service_worker_storage.h
index b25f26b2692ab5602fc477d09e0082217132ce97..0f675898784f686fdedbb9ab2ede135f373b232f 100644
--- a/content/browser/service_worker/service_worker_storage.h
+++ b/content/browser/service_worker/service_worker_storage.h
@@ -254,8 +254,11 @@ class CONTENT_EXPORT ServiceWorkerStorage
   // ServiceWorkerVersion::Listener override
   virtual void OnNoControllees(ServiceWorkerVersion* version) OVERRIDE;
 
-  void SchedulePurgeResources(int64 version_id,
-                              const std::vector<int64>& resources);
+  // Sets the version to redundant and purges its resources. If the version
+  // is controlling a page, defers until the version no longer controls a page.
+  void DecommissionVersion(int64 version_id,

[falken, 2014/07/09 08:47:13]

suggestions on this naming are welcome. My other thought was
MakeVersionRedundant but it sounds like it's copying a worker.

+                           const std::vector<int64>& resources);
+
   void StartPurgingResources(const std::vector<int64>& ids);
   void StartPurgingResources(const ResourceList& resources);
   void ContinuePurgingResources();