[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 a9226316ea34980666454c478c989db2a1430698..daa5c2043d69ade1b5132b9f5c8b4022fba3d88b 100644
--- a/content/browser/background_sync/background_sync_manager.cc
+++ b/content/browser/background_sync/background_sync_manager.cc
@@ -534,11 +534,13 @@ void BackgroundSyncManager::GetDataFromBackend(
 }
 
 void BackgroundSyncManager::FireOneShotSync(
+    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(
@@ -775,8 +777,11 @@ 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,