Implement progress bar spec (determinate and indeterminate).

ui/app_list/views/app_list_item_view.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 UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_
 #define UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
 #include "base/timer/timer.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/app_list_item_observer.h"
 #include "ui/app_list/views/image_shadow_animator.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/controls/button/custom_button.h"
 
 class SkBitmap;
 
 namespace views {
 class ImageView;
 class Label;
 class MenuRunner;
+class ProgressBar;
 }
 
 namespace app_list {
 
 class AppListItem;
 class AppsGridView;
-class ProgressBarView;
 
 class APP_LIST_EXPORT AppListItemView : public views::CustomButton,
                                         public views::ContextMenuController,
                                         public AppListItemObserver,
                                         public ImageShadowAnimator::Delegate {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   AppListItemView(AppsGridView* apps_grid_view, AppListItem* item);
@@ skipping 100 matching lines @@
   void ItemBeingDestroyed() override;
 
   const bool is_folder_;
   const bool is_in_folder_;
 
   AppListItem* item_weak_;  // Owned by AppListModel. Can be NULL.
 
   AppsGridView* apps_grid_view_;   // Parent view, owns this.
   views::ImageView* icon_;         // Strongly typed child view.
   views::Label* title_;            // Strongly typed child view.
-  ProgressBarView* progress_bar_;  // Strongly typed child view.
+  views::ProgressBar* progress_bar_;  // Strongly typed child view.
 
   std::unique_ptr<views::MenuRunner> context_menu_runner_;
 
   UIState ui_state_;
 
   // True if scroll gestures should contribute to dragging.
   bool touch_dragging_;
 
   ImageShadowAnimator shadow_animator_;
 
   bool is_installing_;
   bool is_highlighted_;
 
   base::string16 tooltip_text_;
 
   // A timer to defer showing drag UI when mouse is pressed.
   base::OneShotTimer mouse_drag_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListItemView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_APP_LIST_ITEM_VIEW_H_