[Background Sync] Sent sync registration details to worker

content/browser/background_sync/background_sync_manager.cc

Index: content/browser/background_sync/background_sync_manager.cc
diff --git a/content/browser/background_sync/background_sync_manager.cc b/content/browser/background_sync/background_sync_manager.cc
index 7903aa462a6e6c396061bdcd67dd5f7afe5db58f..7bd3ddf3bb1b1f0306420d571582a1672fa1d299 100644
--- a/content/browser/background_sync/background_sync_manager.cc
+++ b/content/browser/background_sync/background_sync_manager.cc
@@ -582,11 +582,13 @@ void BackgroundSyncManager::GetDataFromBackend(
 }
 
 void BackgroundSyncManager::FireOneShotSync(
+    const BackgroundSyncRegistration& registration,
     const scoped_refptr<ServiceWorkerVersion>& active_version,
     const ServiceWorkerVersion::StatusCallback& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
-  active_version->DispatchSyncEvent(callback);
+  active_version->DispatchSyncEvent(
+      mojo::ConvertTo<SyncRegistrationPtr>(registration), callback);
 }
 
 void BackgroundSyncManager::UnregisterImpl(
@@ -844,8 +846,11 @@ void BackgroundSyncManager::FireReadyEventsDidFindRegistration(
     return;
   }
 
+  BackgroundSyncRegistration* registration =
+      LookupRegistration(service_worker_registration->id(), registration_key);
+
   FireOneShotSync(
-      service_worker_registration->active_version(),
+      *registration, service_worker_registration->active_version(),
       base::Bind(&BackgroundSyncManager::EventComplete,
                  weak_ptr_factory_.GetWeakPtr(), service_worker_registration,
                  service_worker_registration->id(), registration_key,