Media Galleries Partial Deprecation: Remove scan functionality.

chrome/browser/ui/views/extensions/media_gallery_checkbox_view.h

 // Copyright 2014 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_VIEWS_EXTENSIONS_MEDIA_GALLERY_CHECKBOX_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_MEDIA_GALLERY_CHECKBOX_VIEW_H_
 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/views/view.h"
 
 struct MediaGalleryPrefInfo;
 
 namespace views {
 class ButtonListener;
 class Checkbox;
 class ContextMenuController;
-class ImageButton;
 class Label;
 }  // namespace views
 
 // A view composed of a checkbox, optional folder icon button, and secondary
-// text that will elide to its parent's width; used by MediaGalleriesDialogViews
-// and MediaGalleriesScanResultDialogViews.
+// text that will elide to its parent's width. Used by
+// MediaGalleriesDialogViews.
 class MediaGalleryCheckboxView : public views::View {
  public:
   MediaGalleryCheckboxView(const MediaGalleryPrefInfo& pref_info,
-                           bool show_button,
                            int trailing_vertical_space,
                            views::ButtonListener* button_listener,
                            views::ContextMenuController* menu_controller);
   ~MediaGalleryCheckboxView() override;
 
   // Overrides from views::View.
   void Layout() override;
 
   views::Checkbox* checkbox() { return checkbox_; }
-  views::ImageButton* folder_viewer_button() { return folder_viewer_button_; }
   views::Label* secondary_text() { return secondary_text_; }
 
  private:
   // Owned by the parent class (views::View).
   views::Checkbox* checkbox_;
-  views::ImageButton* folder_viewer_button_;
   views::Label* secondary_text_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaGalleryCheckboxView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_MEDIA_GALLERY_CHECKBOX_VIEW_H_