Set a reasonable icon for the media galleries scan result dialog folder viewer.

chrome/browser/ui/views/extensions/media_galleries_scan_result_dialog_views.cc

 // 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.
 
 #include "chrome/browser/ui/views/extensions/media_galleries_scan_result_dialog_views.h"
 
 #include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"
+#include "grit/theme_resources.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/button/checkbox.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/controls/scroll_view.h"
@@ skipping 160 matching lines @@
 
   views::Checkbox* checkbox = new views::Checkbox(label);
   checkbox->set_listener(this);
   checkbox->set_context_menu_controller(this);
   checkbox->SetTooltipText(tooltip_text);
 
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   views::ImageButton* folder_viewer_button = new views::ImageButton(this);
   folder_viewer_button->set_context_menu_controller(this);
   folder_viewer_button->SetImage(views::ImageButton::STATE_NORMAL,
-                                 rb.GetImageSkiaNamed(IDR_OAK));
+                                 rb.GetImageSkiaNamed(IDR_FILE_FOLDER));
+  folder_viewer_button->SetImageAlignment(views::ImageButton::ALIGN_CENTER,
+                                          views::ImageButton::ALIGN_MIDDLE);
   folder_viewer_button->SetAccessibleName(l10n_util::GetStringUTF16(
       IDS_MEDIA_GALLERIES_SCAN_RESULT_OPEN_FOLDER_VIEW_ACCESSIBILITY_NAME));
   folder_viewer_button->SetFocusable(true);
   folder_viewer_button->SetVisible(is_attached);
 
   views::Label* secondary_text = new views::Label(details);
   secondary_text->set_context_menu_controller(this);
   secondary_text->SetTooltipText(tooltip_text);
   secondary_text->SetEnabledColor(kDeemphasizedTextColor);
   secondary_text->SetTooltipText(tooltip_text);
@@ skipping 118 matching lines @@
   }
 }
 
 // MediaGalleriesScanResultDialogViewsController -------------------------------
 
 // static
 MediaGalleriesScanResultDialog* MediaGalleriesScanResultDialog::Create(
     MediaGalleriesScanResultDialogController* controller) {
   return new MediaGalleriesScanResultDialogViews(controller);
 }