Add UI components for license type selection in ChromeOS login UI.

chrome/browser/ui/webui/chromeos/login/enrollment_screen_handler.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 CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENROLLMENT_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENROLLMENT_SCREEN_HANDLER_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 37 matching lines @@
 
   // Implements WebUIMessageHandler:
   void RegisterMessages() override;
 
   // Implements EnrollmentScreenView:
   void SetParameters(Controller* controller,
                      const policy::EnrollmentConfig& config) override;
   void Show() override;
   void Hide() override;
   void ShowSigninScreen() override;
+  void ShowLicenseTypeSelectionScreen(
+      const base::DictionaryValue& license_types) override;
   void ShowAdJoin() override;
   void ShowAttributePromptScreen(const std::string& asset_id,
                                  const std::string& location) override;
   void ShowAttestationBasedEnrollmentSuccessScreen(
       const std::string& enterprise_domain) override;
   void ShowEnrollmentSpinnerScreen() override;
   void ShowAuthError(const GoogleServiceAuthError& error) override;
   void ShowEnrollmentStatus(policy::EnrollmentStatus status) override;
   void ShowOtherError(
       EnterpriseEnrollmentHelper::OtherError error_code) override;
@@ skipping 13 matching lines @@
   void HandleCompleteLogin(const std::string& user,
                            const std::string& auth_code);
   void HandleAdCompleteLogin(const std::string& machine_name,
                              const std::string& user_name,
                              const std::string& password);
   void HandleRetry();
   void HandleFrameLoadingCompleted();
   void HandleDeviceAttributesProvided(const std::string& asset_id,
                                       const std::string& location);
   void HandleOnLearnMore();
+  void HandleLicenseTypeSelected(const std::string& licenseType);
 
   void UpdateStateInternal(NetworkError::ErrorReason reason, bool force_update);
   void SetupAndShowOfflineMessage(NetworkStateInformer::State state,
                                   NetworkError::ErrorReason reason);
   void HideOfflineMessage(NetworkStateInformer::State state,
                           NetworkError::ErrorReason reason);
 
   // Shows a given enrollment step.
   void ShowStep(const char* step);
 
@@ skipping 59 matching lines @@
   std::unique_ptr<AuthPolicyLoginHelper> authpolicy_login_helper_;
 
   base::WeakPtrFactory<EnrollmentScreenHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EnrollmentScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENROLLMENT_SCREEN_HANDLER_H_