Connect enrollment screen to cloud policy subsystem.

chrome/browser/chromeos/login/enterprise_enrollment_screen.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_CHROMEOS_LOGIN_ENTERPRISE_ENROLLMENT_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENTERPRISE_ENROLLMENT_SCREEN_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/chromeos/login/enterprise_enrollment_view.h"
 #include "chrome/browser/chromeos/login/view_screen.h"
+#include "chrome/browser/policy/cloud_policy_subsystem.h"
 #include "chrome/common/net/gaia/gaia_auth_fetcher.h"
 
 namespace chromeos {
 
 // Controller interface for driving the enterprise enrollment UI.
 class EnterpriseEnrollmentController {
  public:
   // Runs authentication with the given parameters.
   virtual void Authenticate(const std::string& user,
                             const std::string& password,
                             const std::string& captcha,
                             const std::string& access_code) = 0;
 
   // Cancels the enrollment operation.
   virtual void CancelEnrollment() = 0;
 
   // Closes the confirmation window.
   virtual void CloseConfirmation() = 0;
 };
 
 // The screen implementation that links the enterprise enrollment UI into the
 // OOBE wizard.
 class EnterpriseEnrollmentScreen
     : public ViewScreen<EnterpriseEnrollmentView>,
       public EnterpriseEnrollmentController,
-      public GaiaAuthConsumer {
+      public GaiaAuthConsumer,
+      public policy::CloudPolicySubsystem::Observer {
  public:
   explicit EnterpriseEnrollmentScreen(WizardScreenDelegate* delegate);
   virtual ~EnterpriseEnrollmentScreen();
 
   // EnterpriseEnrollmentController implementation:
   virtual void Authenticate(const std::string& user,
                             const std::string& password,
                             const std::string& captcha,
                             const std::string& access_code) OVERRIDE;
   virtual void CancelEnrollment() OVERRIDE;
   virtual void CloseConfirmation() OVERRIDE;
 
   // GaiaAuthConsumer implementation:
   virtual void OnClientLoginSuccess(const ClientLoginResult& result) OVERRIDE;
   virtual void OnClientLoginFailure(
       const GoogleServiceAuthError& error) OVERRIDE;
 
   virtual void OnIssueAuthTokenSuccess(const std::string& service,
                                        const std::string& auth_token) OVERRIDE;
   virtual void OnIssueAuthTokenFailure(
       const std::string& service,
       const GoogleServiceAuthError& error) OVERRIDE;
 
+  // CloudPolicySubsystem::Observer implementation:
+  virtual void OnPolicyStateChanged(
+      policy::CloudPolicySubsystem::PolicySubsystemState state,
+      policy::CloudPolicySubsystem::ErrorDetails error_details) OVERRIDE;
 
  protected:
   // Overriden from ViewScreen:
   virtual EnterpriseEnrollmentView* AllocateView() OVERRIDE;
 
  private:
   void HandleAuthError(const GoogleServiceAuthError& error);
 
+  // Gets the machine identifier to report to the server.
+  static std::string GetMachineId();
+
   scoped_ptr<GaiaAuthFetcher> auth_fetcher_;
+  std::string user_;
   std::string captcha_token_;
+  scoped_ptr<policy::CloudPolicySubsystem::ObserverRegistrar> registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(EnterpriseEnrollmentScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENTERPRISE_ENROLLMENT_SCREEN_H_