Allow app list tiles to show search results in the experimental app list.

ui/app_list/app_list_model.cc

 // Copyright (c) 2012 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 "ui/app_list/app_list_model.h"
 
 #include <string>
 
 #include "ui/app_list/app_list_folder_item.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_model_observer.h"
 #include "ui/app_list/search_box_model.h"
-#include "ui/app_list/search_result.h"
 
 namespace app_list {
 
 AppListModel::AppListModel()
     : top_level_item_list_(new AppListItemList),
       search_box_(new SearchBoxModel),
       results_(new SearchResults),
       status_(STATUS_NORMAL),
       folders_enabled_(false) {
   top_level_item_list_->AddObserver(this);
@@ skipping 254 matching lines @@
       child->set_folder_id("");
       AddItemToItemListAndNotifyUpdate(child.Pass());
     }
     folder_ids.push_back(folder->id());
   }
   // Delete folders.
   for (size_t i = 0; i < folder_ids.size(); ++i)
     DeleteItem(folder_ids[i]);
 }
 
+std::vector<SearchResult*> AppListModel::FilterSearchResultsByDisplayType(
+    SearchResults* results,
+    SearchResult::DisplayType display_type,
+    size_t max_results) {
+  std::vector<SearchResult*> matches;
+  for (size_t i = 0; i < results->item_count(); ++i) {
+    SearchResult* item = results->GetItemAt(i);
+    if (item->display_type() == display_type) {
+      matches.push_back(item);
+      if (matches.size() == max_results)
+        break;
+    }
+  }
+  return matches;
+}
+
 // Private methods
 
 void AppListModel::OnListItemMoved(size_t from_index,
                                    size_t to_index,
                                    AppListItem* item) {
   FOR_EACH_OBSERVER(AppListModelObserver,
                     observers_,
                     OnAppListItemUpdated(item));
 }
 
@@ skipping 68 matching lines @@
   scoped_ptr<AppListItem> result = folder->item_list()->RemoveItem(item->id());
   result->set_folder_id("");
   if (folder->item_list()->item_count() == 0) {
     DVLOG(2) << "Deleting empty folder: " << folder->ToDebugString();
     DeleteItem(folder_id);
   }
   return result.Pass();
 }
 
 }  // namespace app_list