cros: add SUGGESTED APPS indicator to start page

ui/app_list/views/start_page_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 UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_
 #define UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_
 
 #include <stddef.h>
 
 #include <vector>
 
 #include "base/macros.h"
 #include "ui/app_list/app_list_export.h"
 #include "ui/app_list/views/app_list_page.h"
 
 namespace app_list {
 
 class AppListMainView;
 class AppListView;
 class AppListViewDelegate;
 class CustomLauncherPageBackgroundView;
+class IndicatorChipView;
 class SearchResultTileItemView;
 class TileItemView;
 
 // The start page for the app list.
 class APP_LIST_EXPORT StartPageView : public AppListPage {
  public:
   StartPageView(AppListMainView* app_list_main_view,
                 AppListViewDelegate* view_delegate,
                 AppListView* app_list_view);
   ~StartPageView() override;
@@ skipping 36 matching lines @@
 
   AppListViewDelegate* view_delegate_;  // Owned by AppListView.
 
   // An invisible placeholder view which fills the space for the search box view
   // in a box layout. The search box view itself is a child of the AppListView
   // (because it is visible on many different pages).
   views::View* search_box_spacer_view_;  // Owned by views hierarchy.
 
   views::View* instant_container_;  // Owned by views hierarchy.
   CustomLauncherPageBackgroundView*
-      custom_launcher_page_background_;       // Owned by view hierarchy.
+      custom_launcher_page_background_;       // Owned by views hierarchy.
+  IndicatorChipView* indicator_;              // Owned by views hierarchy.
   StartPageTilesContainer* tiles_container_;  // Owned by views hierarchy.

[Qiang(Joe) Xu, 2017/06/22 21:46:49]

We might want to move StartPageTilesContainer out of StartPageView,
as for new design, it is needed on both start page and the first page
of all apps.

We can rename it something like SuggestedAppTilesContainer.

 
+  const bool is_fullscreen_app_list_enabled_;
+
   DISALLOW_COPY_AND_ASSIGN(StartPageView);
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_