[cros] Process proper notification in SIM dialog.

chrome/browser/chromeos/cros/network_library.h

Index: chrome/browser/chromeos/cros/network_library.h
diff --git a/chrome/browser/chromeos/cros/network_library.h b/chrome/browser/chromeos/cros/network_library.h
index 63f4f55aea51518ec4d4722ed5bcb8fb32f765f3..b4a978715a9ce9c3b2679e158ca19609d499e007 100644
--- a/chrome/browser/chromeos/cros/network_library.h
+++ b/chrome/browser/chromeos/cros/network_library.h
@@ -1271,14 +1271,17 @@ class NetworkLibrary {
 
   class NetworkDeviceObserver {
    public:
-    // Called when the state of a single device has changed,
-    // for example SIMLock state for cellular.
+    // Called when the state of a single device has changed.
     virtual void OnNetworkDeviceChanged(NetworkLibrary* cros,
                                         const NetworkDevice* device) {}
 
     // Called when |device| got notification about new networks available.
     virtual void OnNetworkDeviceFoundNetworks(NetworkLibrary* cros,
                                               const NetworkDevice* device) {}
+
+    // Called when |device| got notification about SIM lock change.
+    virtual void OnNetworkDeviceSimLockChanged(NetworkLibrary* cros,
+                                               const NetworkDevice* device) {}
    protected:
     ~NetworkDeviceObserver() {}
   };