Moving It2Me confirmation prompt into the Validation callback flow

remoting/host/it2me/it2me_host.h

Index: remoting/host/it2me/it2me_host.h
diff --git a/remoting/host/it2me/it2me_host.h b/remoting/host/it2me/it2me_host.h
index 2a1a72d4603e966ca16d1d7f7fa6f4a0c07a1550..bd80fe8d26a7da790848068de98577c8b92b3aa2 100644
--- a/remoting/host/it2me/it2me_host.h
+++ b/remoting/host/it2me/it2me_host.h
@@ -122,12 +122,10 @@ class It2MeHost : public base::RefCountedThreadSafe<It2MeHost>,
   // Returns true if the host is connected.
   bool IsConnected() const;
 
-  // Presents a confirmation dialog to the user before starting the connection
-  // process.
-  void ShowConfirmationPrompt();
-
   // Processes the result of the confirmation dialog.
-  void OnConfirmationResult(It2MeConfirmationDialog::Result result);
+  void OnConfirmationResult(
+      const protocol::ValidatingAuthenticator::ResultCallback& result_callback,
+      It2MeConfirmationDialog::Result result);
 
   // Called by Connect() to check for policies and start connection process.
   void ReadPolicyAndConnect();