Experimental app list: Added "All apps" button on start page.

ui/app_list/views/search_result_tile_item_view.h

Index: ui/app_list/views/search_result_tile_item_view.h
diff --git a/ui/app_list/views/search_result_tile_item_view.h b/ui/app_list/views/search_result_tile_item_view.h
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+++ b/ui/app_list/views/search_result_tile_item_view.h
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+// 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_SEARCH_RESULT_TILE_ITEM_VIEW_H_
+#define UI_APP_LIST_VIEWS_SEARCH_RESULT_TILE_ITEM_VIEW_H_
+
+#include "ui/app_list/search_result_observer.h"
+#include "ui/app_list/views/tile_item_view.h"
+
+namespace app_list {
+
+class SearchResult;
+
+// A TileItemView that displays a search result.
+class APP_LIST_EXPORT SearchResultTileItemView : public TileItemView,
+                                                 public SearchResultObserver {
+ public:
+  SearchResultTileItemView();
+  ~SearchResultTileItemView() override;
+
+  void SetSearchResult(SearchResult* item);
+
+  // Overridden from TileItemView:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
+  // Overridden from SearchResultObserver:
+  void OnIconChanged() override;
+  void OnResultDestroying() override;
+
+ private:
+  // Owned by the model provided by the AppListViewDelegate.
+  SearchResult* item_;
+
+  DISALLOW_COPY_AND_ASSIGN(SearchResultTileItemView);
+};
+
+}  // namespace app_list
+
+#endif  // UI_APP_LIST_VIEWS_SEARCH_RESULT_TILE_ITEM_VIEW_H_