[cros] update screen re-factoring pt.1

chrome/browser/chromeos/login/update_view.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_CHROMEOS_LOGIN_UPDATE_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UPDATE_VIEW_H_
 #pragma once
 
 #include "views/view.h"
 
 namespace views {
 class Label;
 class ProgressBar;
 class Throbber;
 }  // namespace views
 
 namespace chromeos {
 
 class ScreenObserver;
-class UpdateController;
 
 // View for the network selection/initial welcome screen.
 class UpdateView : public views::View {
  public:
   explicit UpdateView(ScreenObserver* observer);
   virtual ~UpdateView();
 
   void Init();
   void Reset();
   void UpdateLocalizedStrings();
 
-  // Sets update controller.
-  void set_controller(UpdateController* controller) {
-    controller_ = controller;
-  }
-
   // Advances view's progress bar. Maximum progress is 100.
   void AddProgress(int progress);
 
   // Sets the current value for the progress bar. Maximum progress is 100.
   void SetProgress(int progress);
 
   // Shows label with instructions for user to do a manual reboot.
   // Usually is not called since we rely on API that will reboot after update.
   void ShowManualRebootInfo();
 
@@ skipping 26 matching lines @@
   views::Throbber* throbber_;
 
   // Show curtain view?
   bool show_curtain_;
 
   // Show manual reboot label?
   bool show_manual_reboot_label_;
 
   // Notifications receiver.
   chromeos::ScreenObserver* observer_;
-  // Update controller.
-  chromeos::UpdateController* controller_;
 
   DISALLOW_COPY_AND_ASSIGN(UpdateView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UPDATE_VIEW_H_