Sort experimental app list search result groups.

ui/app_list/views/search_result_list_view.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/views/search_result_list_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 145 matching lines @@
     if (i < display_results.size()) {
       result_view->SetResult(display_results[i]);
       result_view->SetVisible(true);
     } else {
       result_view->SetResult(NULL);
       result_view->SetVisible(false);
     }
   }
   UpdateAutoLaunchState();
 
+  set_container_score(
+      display_results.empty() ? 0 : display_results.front()->relevance());
+
   return display_results.size();
 }
 
 void SearchResultListView::UpdateSelectedIndex(int old_selected,
                                                int new_selected) {
   if (old_selected >= 0) {
     SearchResultView* selected_view = GetResultViewAt(old_selected);
     selected_view->ClearSelectedAction();
     selected_view->SchedulePaint();
   }
@@ skipping 67 matching lines @@
         view->result(), action_index, event_flags);
   }
 }
 
 void SearchResultListView::OnSearchResultInstalled(SearchResultView* view) {
   if (delegate_ && view->result())
     delegate_->OnResultInstalled(view->result());
 }
 
 }  // namespace app_list