cros: Fold UserImageModel into UserImageScreen

chrome/browser/ui/webui/chromeos/login/user_image_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_USER_IMAGE_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_USER_IMAGE_SCREEN_HANDLER_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/login/screens/user_image_view.h"
 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace chromeos {
 
-// WebUI implementation of UserImageScreenActor. It is used to interact
-// with JS page part allowing user to select avatar.
+// WebUI implementation of UserImageView. It is used to interact with the JS
+// page allowing user to select an avatar.
 class UserImageScreenHandler : public UserImageView, public BaseScreenHandler {
  public:
   UserImageScreenHandler();
   ~UserImageScreenHandler() override;
 
+ private:
   // BaseScreenHandler implementation:
   void Initialize() override;
   void DeclareLocalizedValues(
       ::login::LocalizedValuesBuilder* builder) override;
 
   // WebUIMessageHandler implementation:
   void RegisterMessages() override;
 
   // UserImageView implementation:
-  void Bind(UserImageModel& model) override;
+  void Bind(UserImageScreen* screen) override;
   void Unbind() override;
   void Show() override;
   void Hide() override;
   void HideCurtain() override;
 
- private:
   // Sends image data to the page.
   void HandleGetImages();
 
   // Screen ready to be shown.
   void HandleScreenReady();
 
   // Handles photo taken with WebRTC UI.
   void HandlePhotoTaken(const std::string& image_url);
 
   // Handles 'take-photo' button click.
   void HandleTakePhoto();
 
   // Handles 'discard-photo' button click.
   void HandleDiscardPhoto();
 
   // Handles clicking on default user image.
   void HandleSelectImage(const std::string& image_url,
                          const std::string& image_type,
                          bool is_user_selection);
 
   // Called when user accept the image closing the screen.
   void HandleImageAccepted();
 
   // Called when the user image screen has been loaded and shown.
   void HandleScreenShown();
 
-  UserImageModel* model_;
+  UserImageScreen* screen_ = nullptr;
 
   // Keeps whether screen should be shown right after initialization.
-  bool show_on_init_;
+  bool show_on_init_ = false;
 
   // Keeps whether screen has loaded all default images and redy to be shown.
-  bool is_ready_;
+  bool is_ready_ = false;
 
   base::Time screen_show_time_;
 
   DISALLOW_COPY_AND_ASSIGN(UserImageScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_USER_IMAGE_SCREEN_HANDLER_H_