cros: Cleanup lock screen and OOBE C++ backing code.

chrome/browser/ui/webui/chromeos/login/base_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_BASE_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_BASE_SCREEN_HANDLER_H_
 
 #include <string>
 
 #include "base/bind.h"
@@ skipping 13 matching lines @@
 class Value;
 }
 
 namespace login {
 class LocalizedValuesBuilder;
 }
 
 namespace chromeos {
 
 class BaseScreen;
+class OobeUI;
 
 // Base class for the OOBE/Login WebUI handlers.
 class BaseScreenHandler : public content::WebUIMessageHandler,
                           public ModelViewChannel {
  public:
   // C-tor used when JS screen prefix is not needed.
   BaseScreenHandler();
 
   // C-tor used when JS screen prefix is needed.
   explicit BaseScreenHandler(const std::string& js_screen_path);
@@ skipping 101 matching lines @@
 
   // Called when the page is ready and handler can do initialization.
   virtual void Initialize() = 0;
 
   // Show selected WebUI |screen|.
   void ShowScreen(OobeScreen screen);
   // Show selected WebUI |screen|. Pass screen initialization using the |data|
   // parameter.
   void ShowScreenWithData(OobeScreen screen, const base::DictionaryValue* data);
 
+  // Returns the OobeUI instance.
+  OobeUI* GetOobeUI() const;
+
   // Returns current visible OOBE screen.
   OobeScreen GetCurrentScreen() const;
 
   // Whether page is ready.
   bool page_is_ready() const { return page_is_ready_; }
 
   // Returns the window which shows us.
   virtual gfx::NativeWindow GetNativeWindow();
 
   void SetBaseScreen(BaseScreen* base_screen);
@@ skipping 26 matching lines @@
 
   // Pending changes to context which will be sent when the page will be ready.
   base::DictionaryValue pending_context_changes_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_BASE_SCREEN_HANDLER_H_