Update installed ServiceWorkers.

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 de1f0617e0c2bc44ce1dc16e2eba78ecc2458d09..d2afda066874fb940caf1c1cc4859b4dc08e56b1 100644
--- a/content/browser/service_worker/service_worker_registration.h
+++ b/content/browser/service_worker/service_worker_registration.h
@@ -36,6 +36,7 @@ class ServiceWorkerVersion;
 class CONTENT_EXPORT ServiceWorkerRegistration
     : NON_EXPORTED_BASE(public base::RefCounted<ServiceWorkerRegistration>) {
  public:
+  typedef base::Callback<void(ServiceWorkerStatusCode status)> StatusCallback;
 
   class Listener {
    public:
@@ -83,6 +84,8 @@ class CONTENT_EXPORT ServiceWorkerRegistration
   // listeners via OnVersionAttributesChanged.
   void UnsetVersion(ServiceWorkerVersion* version);
 
+  void ActivateWaitingVersion(const StatusCallback& completion_callback);
+
  private:
   ~ServiceWorkerRegistration();
   friend class base::RefCounted<ServiceWorkerRegistration>;
@@ -95,6 +98,11 @@ class CONTENT_EXPORT ServiceWorkerRegistration
       ServiceWorkerVersion* version,
       ChangedVersionAttributesMask* mask);
 
+  void OnActivateEventFinished(
+      ServiceWorkerVersion* activating_version,
+      const StatusCallback& completion_callback,
+      ServiceWorkerStatusCode status);
+
   const GURL pattern_;
   const GURL script_url_;
   const int64 registration_id_;