Moving It2Me confirmation prompt into the Validation callback flow

remoting/host/it2me/it2me_host.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_HOST_IT2ME_IT2ME_HOST_H_
 #define REMOTING_HOST_IT2ME_IT2ME_HOST_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 104 matching lines @@
   }
   base::WeakPtr<It2MeHost::Observer> observer() { return observer_; }
 
  private:
   // Updates state of the host. Can be called only on the network thread.
   void SetState(It2MeHostState state, const std::string& error_message);
 
   // 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();
 
   // Called by ReadPolicyAndConnect once policies have been read.
   void FinishConnect();
 
   // Called when the support host registration completes.
   void OnReceivedSupportID(const std::string& support_id,
                            const base::TimeDelta& lifetime,
@@ skipping 85 matching lines @@
       const XmppSignalStrategy::XmppServerConfig& xmpp_server_config,
       const std::string& directory_bot_jid);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(It2MeHostFactory);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_IT2ME_IT2ME_HOST_H_