[BackgroundSync] Remove BackgroundSyncRegistrationHandle

third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index f187c2abf27cbfddcec50030f6faf35b69275eb7..4971f6a528779fa04cf8c1a7bc80cab34b700243 100644
--- a/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/third_party/WebKit/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -186,14 +186,14 @@ void ServiceWorkerGlobalScopeProxy::dispatchServicePortConnectEvent(WebServicePo
     collection->dispatchConnectEvent(callbacks.release(), targetURL, origin, portID);
 }
 
-void ServiceWorkerGlobalScopeProxy::dispatchSyncEvent(int eventID, const WebSyncRegistration& registration, LastChanceOption lastChance)
+void ServiceWorkerGlobalScopeProxy::dispatchSyncEvent(int eventID, const WebString& tag, LastChanceOption lastChance)
 {
     if (!RuntimeEnabledFeatures::backgroundSyncEnabled()) {
         ServiceWorkerGlobalScopeClient::from(workerGlobalScope())->didHandleSyncEvent(eventID, WebServiceWorkerEventResultCompleted);
         return;
     }
     WaitUntilObserver* observer = WaitUntilObserver::create(workerGlobalScope(), WaitUntilObserver::Sync, eventID);
-    RefPtrWillBeRawPtr<Event> event(SyncEvent::create(EventTypeNames::sync, registration.tag, lastChance == IsLastChance, observer));
+    RefPtrWillBeRawPtr<Event> event(SyncEvent::create(EventTypeNames::sync, tag, lastChance == IsLastChance, observer));
     workerGlobalScope()->dispatchExtendableEvent(event.release(), observer);
 }