ServiceWorker: Make "ready" fetches registration from browser process(2/3).

content/browser/service_worker/service_worker_registration.cc

Index: content/browser/service_worker/service_worker_registration.cc
diff --git a/content/browser/service_worker/service_worker_registration.cc b/content/browser/service_worker/service_worker_registration.cc
index 0c463fe8c77c8980f1eb91ec8dabdd7e62801f59..bb959d50f3ebdff242c9960eb15d36b42f86e64b 100644
--- a/content/browser/service_worker/service_worker_registration.cc
+++ b/content/browser/service_worker/service_worker_registration.cc
@@ -310,6 +310,8 @@ void ServiceWorkerRegistration::OnActivateEventFinished(
       // But not from memory if there is a version in the pipeline.
       if (installing_version())
         is_deleted_ = false;
+      else
+        FOR_EACH_OBSERVER(Listener, listeners_, OnRegistrationFailed(this));
     }
     return;
   }
@@ -358,6 +360,9 @@ void ServiceWorkerRegistration::Clear() {
     FOR_EACH_OBSERVER(Listener, listeners_,
                       OnVersionAttributesChanged(this, mask, info));
   }
+
+  FOR_EACH_OBSERVER(
+      Listener, listeners_, OnRegistrationFinishedUninstalling(this));
 }
 
 void ServiceWorkerRegistration::OnRestoreFinished(