Add ref count to service workers for extension API.

extensions/renderer/service_worker_data.cc

Index: extensions/renderer/service_worker_data.cc
diff --git a/extensions/renderer/service_worker_data.cc b/extensions/renderer/service_worker_data.cc
index 197bff952dea7c38e01e3e745e08abf17d6aaf2b..b10b015b637c03212b77c76718073413b9bcd8ad 100644
--- a/extensions/renderer/service_worker_data.cc
+++ b/extensions/renderer/service_worker_data.cc
@@ -10,11 +10,12 @@
 namespace extensions {
 
 ServiceWorkerData::ServiceWorkerData(WorkerThreadDispatcher* dispatcher,
-                                     int embedded_worker_id)
-    : embedded_worker_id_(embedded_worker_id),
+                                     int64_t service_worker_version_id)
+    : service_worker_version_id_(service_worker_version_id),
       v8_schema_registry_(new V8SchemaRegistry),
       request_sender_(
-          new ServiceWorkerRequestSender(dispatcher, embedded_worker_id)) {}
+          new ServiceWorkerRequestSender(dispatcher,
+                                         service_worker_version_id)) {}
 
 ServiceWorkerData::~ServiceWorkerData() {}