Implement progress bar spec (determinate and indeterminate).

ui/app_list/views/search_result_view.h

Index: ui/app_list/views/search_result_view.h
diff --git a/ui/app_list/views/search_result_view.h b/ui/app_list/views/search_result_view.h
index 9c4594e832a6675f5790a0284136e98e3e643b8a..48158709ee82ab22a94d2dc22faa23c97ca713f4 100644
--- a/ui/app_list/views/search_result_view.h
+++ b/ui/app_list/views/search_result_view.h
@@ -27,6 +27,7 @@ namespace views {
 class ImageButton;
 class ImageView;
 class MenuRunner;
+class ProgressBar;
 }
 
 namespace app_list {
@@ -34,7 +35,6 @@ namespace test {
 class SearchResultListViewTest;
 }  // namespace test
 
-class ProgressBarView;
 class SearchResult;
 class SearchResultListView;
 class SearchResultViewDelegate;
@@ -119,7 +119,7 @@ class APP_LIST_EXPORT SearchResultView
   std::unique_ptr<gfx::RenderText> title_text_;
   std::unique_ptr<gfx::RenderText> details_text_;
   SearchResultActionsView* actions_view_;  // Owned by the views hierarchy.
-  ProgressBarView* progress_bar_;  // Owned by views hierarchy.
+  views::ProgressBar* progress_bar_;       // Owned by views hierarchy.
 
   std::unique_ptr<views::MenuRunner> context_menu_runner_;