Minimal attestation-based enrollment flow.

chrome/browser/chromeos/login/enrollment/enterprise_enrollment_helper_impl.h

 // Copyright 2014 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_ENROLLMENT_ENTERPRISE_ENROLLMENT_HELPER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENTERPRISE_ENROLLMENT_HELPER_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 19 matching lines @@
   EnterpriseEnrollmentHelperImpl(
       EnrollmentStatusConsumer* status_consumer,
       const policy::EnrollmentConfig& enrollment_config,
       const std::string& enrolling_user_domain);
   ~EnterpriseEnrollmentHelperImpl() override;
 
   // Overridden from EnterpriseEnrollmentHelper:
   void EnrollUsingAuthCode(const std::string& auth_code,
                            bool fetch_additional_token) override;
   void EnrollUsingToken(const std::string& token) override;
+  void EnrollUsingAttestation() override;
   void ClearAuth(const base::Closure& callback) override;
   void GetDeviceAttributeUpdatePermission() override;
   void UpdateDeviceAttributes(const std::string& asset_id,
                               const std::string& location) override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(EnterpriseEnrollmentTest,
                            TestProperPageGetsLoadedOnEnrollmentSuccess);
   FRIEND_TEST_ALL_PREFIXES(EnterpriseEnrollmentTest,
                            TestAttributePromptPageGetsLoaded);
 
-  void DoEnrollUsingToken(const std::string& token);
+  void DoEnroll(const std::string& token);
 
   // Handles completion of the OAuth2 token fetch attempt.
   void OnTokenFetched(bool is_additional_token,
                       const std::string& token,
                       const GoogleServiceAuthError& error);
 
   // Handles completion of the enrollment attempt.
   void OnEnrollmentFinished(policy::EnrollmentStatus status);
 
   // Handles completion of the device attribute update permission request.
@@ skipping 10 matching lines @@
   void UMA(policy::MetricEnrollment sample);
 
   // Called by ProfileHelper when a signin profile clearance has finished.
   // |callback| is a callback, that was passed to ClearAuth() before.
   void OnSigninProfileCleared(const base::Closure& callback);
 
   const policy::EnrollmentConfig enrollment_config_;
   const std::string enrolling_user_domain_;
   bool fetch_additional_token_;
 
-  bool started_;
   std::string additional_token_;
-  bool finished_;
-  bool success_;
-  bool auth_data_cleared_;
+  enum {
+    OAUTH_NOT_STARTED,
+    OAUTH_STARTED_WITH_AUTH_CODE,
+    OAUTH_STARTED_WITH_TOKEN,
+    OAUTH_FINISHED
+  } oauth_status_ = OAUTH_NOT_STARTED;
+  bool oauth_data_cleared_ = false;
   std::string oauth_token_;
+  bool success_ = false;
 
   std::unique_ptr<policy::PolicyOAuth2TokenFetcher> oauth_fetcher_;
 
   base::WeakPtrFactory<EnterpriseEnrollmentHelperImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EnterpriseEnrollmentHelperImpl);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENTERPRISE_ENROLLMENT_HELPER_IMPL_H_