Adding a Confirmation dialog for It2Me on Windows

remoting/host/it2me/it2me_confirmation_dialog_mac.cc

Index: remoting/host/it2me/it2me_confirmation_dialog_mac.cc
diff --git a/remoting/host/pairing_registry_delegate_android.cc b/remoting/host/it2me/it2me_confirmation_dialog_mac.cc
similarity index 58%
copy from remoting/host/pairing_registry_delegate_android.cc
copy to remoting/host/it2me/it2me_confirmation_dialog_mac.cc
index ce5e774ef88031b321a8902c3039db8e8bf76c88..fba9a043a3dfbb9298656000af0bdc85f612a4cb 100644
--- a/remoting/host/pairing_registry_delegate_android.cc
+++ b/remoting/host/it2me/it2me_confirmation_dialog_mac.cc
@@ -2,13 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "remoting/host/pairing_registry_delegate.h"
+#include "remoting/host/it2me/it2me_confirmation_dialog.h"
 
 namespace remoting {
 
-using protocol::PairingRegistry;
-
-std::unique_ptr<PairingRegistry::Delegate> CreatePairingRegistryDelegate() {
+std::unique_ptr<It2MeConfirmationDialog>
+It2MeConfirmationDialogFactory::Create() {
   return nullptr;
 }