ServiceWorker: Enable UseCounter for ServiceWorkerGlobalScope

content/browser/service_worker/service_worker_dispatcher_host.cc

Index: content/browser/service_worker/service_worker_dispatcher_host.cc
diff --git a/content/browser/service_worker/service_worker_dispatcher_host.cc b/content/browser/service_worker/service_worker_dispatcher_host.cc
index f23aece6697dd199ee86bd81e291c93396551376..3cf6c63a029588df6045ac46ff6870c5983f6d0f 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.cc
+++ b/content/browser/service_worker/service_worker_dispatcher_host.cc
@@ -211,6 +211,7 @@ bool ServiceWorkerDispatcherHost::OnMessageReceived(
                         OnWorkerStarted)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerStopped,
                         OnWorkerStopped)
+    IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_CountFeature, OnCountFeature)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_ReportException,
                         OnReportException)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_ReportConsoleMessage,
@@ -1488,6 +1489,16 @@ void ServiceWorkerDispatcherHost::OnWorkerStopped(int embedded_worker_id) {
   registry->OnWorkerStopped(render_process_id_, embedded_worker_id);
 }
 
+void ServiceWorkerDispatcherHost::OnCountFeature(int64_t version_id,
+                                                 uint32_t feature) {
+  if (!GetContext())
+    return;
+  ServiceWorkerVersion* version = GetContext()->GetLiveVersion(version_id);
+  if (!version)
+    return;
+  version->CountFeature(feature);
+}
+
 void ServiceWorkerDispatcherHost::OnReportException(
     int embedded_worker_id,
     const base::string16& error_message,