This adds the onNetworkChanged event to networkingPrivate

chrome/browser/chromeos/extensions/networking_private_event_router_factory.cc

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/chromeos/extensions/networking_private_event_router_factory.h"
+
+#include "chrome/browser/chromeos/extensions/networking_private_event_router.h"
+#include "chrome/browser/extensions/extension_system_factory.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+
+namespace chromeos {
+
+// static
+NetworkingPrivateEventRouter*
+NetworkingPrivateEventRouterFactory::GetForProfile(Profile* profile) {
+  return static_cast<NetworkingPrivateEventRouter*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+}
+
+// static
+NetworkingPrivateEventRouterFactory*
+NetworkingPrivateEventRouterFactory::GetInstance() {
+  return Singleton<NetworkingPrivateEventRouterFactory>::get();
+}
+
+NetworkingPrivateEventRouterFactory::NetworkingPrivateEventRouterFactory()
+    : ProfileKeyedServiceFactory(
+          "NetworkingPrivateEventRouter",
+          ProfileDependencyManager::GetInstance()) {
+  DependsOn(extensions::ExtensionSystemFactory::GetInstance());
+}
+
+NetworkingPrivateEventRouterFactory::~NetworkingPrivateEventRouterFactory() {
+}
+
+ProfileKeyedService*
+NetworkingPrivateEventRouterFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  return new NetworkingPrivateEventRouter(profile);
+}
+
+bool
+NetworkingPrivateEventRouterFactory::ServiceHasOwnInstanceInIncognito() const {
+  return true;
+}
+
+bool NetworkingPrivateEventRouterFactory::ServiceIsCreatedWithProfile() const {
+  return true;
+}
+
+bool NetworkingPrivateEventRouterFactory::ServiceIsNULLWhileTesting() const {
+  return true;
+}
+
+}  // namespace chromeos