[DevTools] Send ServiceWorkerVersion.ScriptLastModified and ScriptResponseTime to DevTools window.

content/browser/service_worker/service_worker_context_watcher.cc

Index: content/browser/service_worker/service_worker_context_watcher.cc
diff --git a/content/browser/service_worker/service_worker_context_watcher.cc b/content/browser/service_worker/service_worker_context_watcher.cc
index 13e1228ec154cf3df65f99ad057107826db3d047..aa3667a5af7b85ccb64830ccba2a9e78bb5b80fa 100644
--- a/content/browser/service_worker/service_worker_context_watcher.cc
+++ b/content/browser/service_worker/service_worker_context_watcher.cc
@@ -210,6 +210,17 @@ void ServiceWorkerContextWatcher::OnErrorReported(int64 version_id,
       base::Bind(error_callback_, registration_id, version_id, info));
 }
 
+void ServiceWorkerContextWatcher::OnVersionUpdateTimeSet(
+    int64 version_id,
+    base::Time update_time) {
+  ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
+  DCHECK(version);
+  if (version->update_time == update_time)
+    return;
+  version->update_time = update_time;
+  SendVersionInfo(*version);
+}
+
 void ServiceWorkerContextWatcher::OnRegistrationStored(int64 registration_id,
                                                        const GURL& pattern) {
   SendRegistrationInfo(registration_id, pattern,