ServiceWorker: Make SWProviderHost listen to SWRegistration

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 9cd539d42567ca84cdd523fe209973bd1cd293e3..87eddefb6622071309f0ff33e9168fc5361d5b37 100644
--- a/content/browser/service_worker/service_worker_registration.cc
+++ b/content/browser/service_worker/service_worker_registration.cc
@@ -40,6 +40,7 @@ ServiceWorkerRegistration::ServiceWorkerRegistration(
 
 ServiceWorkerRegistration::~ServiceWorkerRegistration() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  DCHECK(!listeners_.might_have_observers());
   if (context_)
     context_->RemoveLiveRegistration(registration_id_);
   ResetShouldActivateWhenReady();
@@ -141,6 +142,11 @@ void ServiceWorkerRegistration::ActivateWaitingVersionWhenReady() {
   ActivateWaitingVersion();
 }
 
+void ServiceWorkerRegistration::SetIsDeleted() {
+  is_deleted_ = true;
+  FOR_EACH_OBSERVER(Listener, listeners_, OnRegistrationDeleted(this));
+}
+
 void ServiceWorkerRegistration::OnNoControllees(ServiceWorkerVersion* version) {
   DCHECK_EQ(active_version(), version);
   DCHECK(should_activate_when_ready_);
@@ -175,11 +181,7 @@ void ServiceWorkerRegistration::ActivateWaitingVersion() {
 
   // "5. Set serviceWorkerRegistration.activeWorker to activatingWorker."
   // "6. Set serviceWorkerRegistration.waitingWorker to null."
-  ServiceWorkerRegisterJob::DisassociateVersionFromDocuments(
-      context_, activating_version);
   SetActiveVersion(activating_version);
-  ServiceWorkerRegisterJob::AssociateActiveVersionToDocuments(
-      context_, activating_version);
 
   // "7. Run the [[UpdateState]] algorithm passing registration.activeWorker and
   // "activating" as arguments."
@@ -202,8 +204,6 @@ void ServiceWorkerRegistration::OnActivateEventFinished(
   // unexpectedly terminated) we may want to retry sending the event again.
   if (status != SERVICE_WORKER_OK) {
     // "11. If activateFailed is true, then:..."
-    ServiceWorkerRegisterJob::DisassociateVersionFromDocuments(
-        context_, activating_version);
     UnsetVersion(activating_version);
     activating_version->Doom();
     if (!waiting_version()) {