Update the Notification Blink API to use integral persistent ids.

Source/web/ServiceWorkerGlobalScopeProxy.cpp

Index: Source/web/ServiceWorkerGlobalScopeProxy.cpp
diff --git a/Source/web/ServiceWorkerGlobalScopeProxy.cpp b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
index 3b6af820d0060bb96d13e2d323c7473e0302c103..fb6044a0ddf2b5a8f8fd18548974489f6ab04c8a 100644
--- a/Source/web/ServiceWorkerGlobalScopeProxy.cpp
+++ b/Source/web/ServiceWorkerGlobalScopeProxy.cpp
@@ -131,6 +131,16 @@ void ServiceWorkerGlobalScopeProxy::dispatchMessageEvent(const WebString& messag
     m_workerGlobalScope->dispatchEvent(MessageEvent::create(ports.release(), value));
 }
 
+void ServiceWorkerGlobalScopeProxy::dispatchNotificationClickEvent(int eventID, int64_t notificationID, const WebNotificationData& data)
+{
+    ASSERT(m_workerGlobalScope);
+    WaitUntilObserver* observer = WaitUntilObserver::create(m_workerGlobalScope, WaitUntilObserver::NotificationClick, eventID);
+    NotificationEventInit eventInit;
+    eventInit.setNotification(Notification::create(m_workerGlobalScope, notificationID, data));
+    RefPtrWillBeRawPtr<Event> event(NotificationEvent::create(EventTypeNames::notificationclick, eventInit, observer));
+    m_workerGlobalScope->dispatchExtendableEvent(event.release(), observer);
+}
+
 void ServiceWorkerGlobalScopeProxy::dispatchNotificationClickEvent(int eventID, const WebString& notificationID, const WebNotificationData& data)
 {
     ASSERT(m_workerGlobalScope);