cros: Replace WizardController string constants with OobeScreen values.

chrome/browser/ui/webui/chromeos/login/oobe_ui.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_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
+#include "chrome/browser/chromeos/login/oobe_screen.h"
 #include "chrome/browser/chromeos/settings/shutdown_policy_handler.h"
 #include "chrome/browser/ui/webui/chromeos/login/core_oobe_handler.h"
-#include "chrome/browser/ui/webui/chromeos/login/oobe_screen.h"
 #include "content/public/browser/web_ui_controller.h"
 
 namespace ash {
 class ScreenDimmer;
 }
 
 namespace base {
 class DictionaryValue;
 }  // namespace base
 
@@ skipping 126 matching lines @@
   }
 
   NetworkStateInformer* network_state_informer_for_test() const {
     return network_state_informer_.get();
   }
 
  private:
   void AddScreenHandler(BaseScreenHandler* handler);
 
   // CoreOobeHandler::Delegate implementation:
-  void OnCurrentScreenChanged(const std::string& screen) override;
+  void OnCurrentScreenChanged(OobeScreen screen) override;
 
   // Type of UI.
   std::string display_type_;
 
   // Reference to NetworkStateInformer that handles changes in network
   // state.
   scoped_refptr<NetworkStateInformer> network_state_informer_;
 
   // Reference to CoreOobeHandler that handles common requests of Oobe page.
   CoreOobeHandler* core_handler_ = nullptr;
@@ skipping 68 matching lines @@
   std::unique_ptr<ShutdownPolicyHandler> shutdown_policy_handler_;
 
   std::unique_ptr<ash::ScreenDimmer> screen_dimmer_;
 
   DISALLOW_COPY_AND_ASSIGN(OobeUI);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_OOBE_UI_H_