[Chromoting] Add a simple Windows app that registers and starts a host.

remoting/host/setup/host_starter.h

 // Copyright (c) 2012 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_HOST_STARTER
 #define REMOTING_HOST_HOST_STARTER
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 26 matching lines @@
 
   // Creates a HostStarter.
   static scoped_ptr<HostStarter> Create(
       net::URLRequestContextGetter* url_request_context_getter);
 
   // Registers a new host with the Chromoting service, and starts it.
   // |auth_code| must be a valid OAuth2 authorization code, typically acquired
   // from a browser. This method uses that code to get an OAuth2 refresh token.
   void StartHost(const std::string& host_name, const std::string& host_pin,
                  bool consent_to_data_collection, const std::string& auth_code,
-                 CompletionCallback on_done);
+                 CompletionCallback on_done,
+                 scoped_refptr<base::SingleThreadTaskRunner> on_done_runner);
 
   // gaia::GaiaOAuthClient::Delegate
   virtual void OnGetTokensResponse(const std::string& refresh_token,
                                    const std::string& access_token,
                                    int expires_in_seconds) OVERRIDE;
   virtual void OnRefreshTokenResponse(const std::string& access_token,
                                       int expires_in_seconds) OVERRIDE;
   virtual void OnOAuthError() OVERRIDE;
   virtual void OnNetworkError(int response_code) OVERRIDE;
 
@@ skipping 14 matching lines @@
   scoped_ptr<gaia::GaiaOAuthClient> oauth_client_;
   scoped_ptr<remoting::GaiaUserEmailFetcher> user_email_fetcher_;
   scoped_ptr<remoting::ServiceClient> service_client_;
   scoped_ptr<remoting::DaemonController> daemon_controller_;
   bool in_progress_;
   gaia::OAuthClientInfo oauth_client_info_;
   std::string host_name_;
   std::string host_pin_;
   bool consent_to_data_collection_;
   CompletionCallback on_done_;
+  scoped_refptr<base::SingleThreadTaskRunner> on_done_runner_;
   std::string refresh_token_;
   std::string access_token_;
   std::string user_email_;
   remoting::HostKeyPair key_pair_;
   std::string host_id_;
 
   DISALLOW_COPY_AND_ASSIGN(HostStarter);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_HOST_STARTER