chromeos: Split NetworkChangeNotifierChromeos initialization.

chrome/browser/chromeos/net/cros_network_change_notifier_factory.h

Index: chrome/browser/chromeos/net/cros_network_change_notifier_factory.h
diff --git a/chrome/browser/chromeos/net/cros_network_change_notifier_factory.h b/chrome/browser/chromeos/net/cros_network_change_notifier_factory.h
index 73c76637bf2c42c13fca75db00139bfb9f2139a3..c0ff6184edbf8a697e7f87f7e8c8524d67e2c60a 100644
--- a/chrome/browser/chromeos/net/cros_network_change_notifier_factory.h
+++ b/chrome/browser/chromeos/net/cros_network_change_notifier_factory.h
@@ -11,7 +11,7 @@
 
 namespace chromeos {
 
-class NetworkChangeNotifier;
+class NetworkChangeNotifierChromeos;
 
 // CrosNetworkChangeNotifierFactory creates ChromeOS-specific specialization of
 // NetworkChangeNotifier.
@@ -22,6 +22,10 @@ class CrosNetworkChangeNotifierFactory
 
   // Overrides of net::NetworkChangeNotifierFactory.
   virtual net::NetworkChangeNotifier* CreateInstance() OVERRIDE;
+
+  // Gets the instance of the NetworkChangeNotifier for Chrome OS.
+  // This is used for setting up the notifier at startup.
+  static NetworkChangeNotifierChromeos* GetInstance();
 };
 
 }  // namespace net