This adds the onNetworkChanged event to networkingPrivate

chrome/browser/chromeos/extensions/networking_private_event_router_factory.h

+// 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_NETWORKING_PRIVATE_EVENT_ROUTER_FACTORY_H_
+#define CHROME_BROWSER_CHROMEOS_EXTENSIONS_NETWORKING_PRIVATE_EVENT_ROUTER_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "chrome/browser/profiles/profile_keyed_service_factory.h"
+
+class Profile;
+
+namespace chromeos {
+
+class NetworkingPrivateEventRouter;
+
+// This is a factory class used by the ProfileDependencyManager to instantiate
+// the networking event router per profile (since the extension event router is
+// per profile).
+class NetworkingPrivateEventRouterFactory : public ProfileKeyedServiceFactory {
+ public:
+  // Returns the NetworkingPrivateEventRouter for |profile|, creating it if
+  // it is not yet created.
+  static NetworkingPrivateEventRouter* GetForProfile(Profile* profile);
+
+  // Returns the NetworkingPrivateEventRouterFactory instance.
+  static NetworkingPrivateEventRouterFactory* GetInstance();
+
+ protected:
+  // ProfileKeyedBaseFactory overrides:
+  virtual bool ServiceHasOwnInstanceInIncognito() const OVERRIDE;
+  virtual bool ServiceIsCreatedWithProfile() const OVERRIDE;
+  virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
+
+ private:
+  friend struct DefaultSingletonTraits<NetworkingPrivateEventRouterFactory>;
+
+  NetworkingPrivateEventRouterFactory();
+  virtual ~NetworkingPrivateEventRouterFactory();
+
+  // ProfileKeyedServiceFactory:
+  virtual ProfileKeyedService* BuildServiceInstanceFor(
+      Profile* profile) const OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(NetworkingPrivateEventRouterFactory);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_NETWORKING_PRIVATE_EVENT_ROUTER_FACTORY_H_