Revert of Start EmbeddedWorker during registration - take 2

content/browser/service_worker/service_worker_registration.h

Index: content/browser/service_worker/service_worker_registration.h
diff --git a/content/browser/service_worker/service_worker_registration.h b/content/browser/service_worker/service_worker_registration.h
index 259039590eeef5c2e84280b9f5ad4ad72117fbcd..680fcfacbccc6def00f1ab7a2b62485d3e28e514 100644
--- a/content/browser/service_worker/service_worker_registration.h
+++ b/content/browser/service_worker/service_worker_registration.h
@@ -45,8 +45,6 @@
   const GURL& script_url() const { return script_url_; }
   const GURL& pattern() const { return pattern_; }
 
-  int64 next_version_id() { return next_version_id_++; }
-
   ServiceWorkerVersion* active_version() const {
     DCHECK(!is_shutdown_);
     return active_version_.get();
@@ -72,13 +70,12 @@
   void ActivatePendingVersion();
 
  private:
-  ~ServiceWorkerRegistration();
+  virtual ~ServiceWorkerRegistration();
   friend class base::RefCounted<ServiceWorkerRegistration>;
 
   const GURL pattern_;
   const GURL script_url_;
   const int64 registration_id_;
-  int64 next_version_id_;
 
   scoped_refptr<ServiceWorkerVersion> active_version_;
   scoped_refptr<ServiceWorkerVersion> pending_version_;