Chrome OS: Use Manager.DefaultService for Default Network

chromeos/network/shill_property_handler.h

Index: chromeos/network/shill_property_handler.h
diff --git a/chromeos/network/shill_property_handler.h b/chromeos/network/shill_property_handler.h
index 2b96a8c02210afafa404ec40eb8e4d091f8fae2b..e484e9801e425e9e268e0d1a45377f9c384d689e 100644
--- a/chromeos/network/shill_property_handler.h
+++ b/chromeos/network/shill_property_handler.h
@@ -83,6 +83,10 @@ class CHROMEOS_EXPORT ShillPropertyHandler
     // UpdateManagedStateProperties has been called for each new entry.
     virtual void ManagedStateListChanged(ManagedState::ManagedType type) = 0;
 
+    // Called when the default network service changes.
+    virtual void DefaultNetworkServiceChanged(
+        const std::string& service_path) = 0;
+
    protected:
     virtual ~Listener() {}
   };