Make app list recommendations into their own DisplayType.

ui/app_list/views/start_page_view.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 "ui/app_list/views/start_page_view.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_item.h"
 #include "ui/app_list/app_list_model.h"
@@ skipping 167 matching lines @@
 void StartPageView::OnContainerSelected(bool from_bottom) {
 }
 
 gfx::Rect StartPageView::GetSearchBoxBounds() const {
   return search_box_spacer_view_->bounds();
 }
 
 int StartPageView::Update() {
   std::vector<SearchResult*> display_results =
       AppListModel::FilterSearchResultsByDisplayType(
-          results(), SearchResult::DISPLAY_TILE, kNumStartPageTiles);
+          results(), SearchResult::DISPLAY_RECOMMENDATION, kNumStartPageTiles);
 
   // Update the tile item results.
   for (size_t i = 0; i < search_result_tile_views_.size(); ++i) {
     SearchResult* item = NULL;
     if (i < display_results.size())
       item = display_results[i];
     search_result_tile_views_[i]->SetSearchResult(item);
   }
 
   tiles_container_->Layout();
   Layout();
   return display_results.size();
 }
 
 void StartPageView::UpdateSelectedIndex(int old_selected, int new_selected) {
 }
 
 }  // namespace app_list