Add NetworkHandler to own network handlers in src/chromeos/network

chrome/browser/chromeos/cros/network_library_impl_cros.cc

Index: chrome/browser/chromeos/cros/network_library_impl_cros.cc
diff --git a/chrome/browser/chromeos/cros/network_library_impl_cros.cc b/chrome/browser/chromeos/cros/network_library_impl_cros.cc
index 8691af6e0398c1969b987b7dbb44b9e355cff0f6..f6a57d82bc3220fa8e2c2762da1e7a83944b0dad 100644
--- a/chrome/browser/chromeos/cros/network_library_impl_cros.cc
+++ b/chrome/browser/chromeos/cros/network_library_impl_cros.cc
@@ -1355,8 +1355,10 @@ void NetworkLibraryImplCros::SetIPParametersCallback(
     return;
 
   // Ensure NetworkStateHandler properties are up-to-date.
-  if (NetworkStateHandler::IsInitialized())
-    NetworkStateHandler::Get()->RequestUpdateForNetwork(service_path);
+  if (NetworkHandler::IsInitialized()) {
+    NetworkHandler::Get()->network_state_handler()->RequestUpdateForNetwork(
+        service_path);
+  }
 
   // Attempt to refresh its IP parameters, so that the changes to the service
   // properties can take effect.