Connect enrollment screen to cloud policy subsystem.

chrome/browser/policy/device_token_fetcher.h

 // Copyright (c) 2011 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 CHROME_BROWSER_POLICY_DEVICE_TOKEN_FETCHER_H_
 #define CHROME_BROWSER_POLICY_DEVICE_TOKEN_FETCHER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 37 matching lines @@
                      int64 token_fetch_error_delay_ms,
                      int64 token_fetch_error_max_delay_ms,
                      int64 unmanaged_device_refresh_rate_ms);
   virtual ~DeviceTokenFetcher();
 
   // Starts fetching a token.
   // Declared virtual so it can be overridden by mocks.
   virtual void FetchToken(const std::string& auth_token,
                           const std::string& device_id,
                           em::DeviceRegisterRequest_Type policy_type,
-                          const std::string& machine_id);
+                          const std::string& machine_id,
+                          const std::string& machine_model);
 
   virtual void SetUnmanagedState();
 
   // Returns the device management token or the empty string if not available.
   // Declared virtual so it can be overridden by mocks.
   virtual const std::string& GetDeviceToken();
 
   // Disables the auto-retry-on-error behavior of this token fetcher.
   void StopAutoRetry();
 
@@ skipping 74 matching lines @@
   std::string device_token_;
 
   // Contains the AuthToken for the device management server.
   std::string auth_token_;
   // Device identifier to send to the server.
   std::string device_id_;
   // Contains policy type to send to the server.
   em::DeviceRegisterRequest_Type policy_type_;
   // Contains physical machine id to send to the server.
   std::string machine_id_;
+  // Contains physical machine model to send to server.
+  std::string machine_model_;
 
   // Task that has been scheduled to retry fetching a token.
   CancelableTask* retry_task_;
 
   ScopedRunnableMethodFactory<DeviceTokenFetcher> method_factory_;
 
   ObserverList<Observer, true> observer_list_;
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_DEVICE_TOKEN_FETCHER_H_