Sort experimental app list search result groups.

ui/app_list/views/search_result_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/search_result_page_view.h"
 
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_switches.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/views/app_list_main_view.h"
@@ skipping 113 matching lines @@
   // Set the new selected view's selection to its first result.
   result_container_views_[selected_index_]->OnContainerSelected(from_bottom);
 }
 
 bool SearchResultPageView::IsValidSelectionIndex(int index) {
   return index >= 0 && index < static_cast<int>(result_container_views_.size());
 }
 
 void SearchResultPageView::ChildPreferredSizeChanged(views::View* child) {
   DCHECK(!result_container_views_.empty());
+
+  if (switches::IsExperimentalAppListEnabled()) {
+    // Sort the result container views by their score.
+    std::sort(result_container_views_.begin(), result_container_views_.end(),
+              [](const SearchResultContainerView* a,
+                 const SearchResultContainerView* b) -> bool {
+                return a->container_score() > b->container_score();

[Matt Giuca, 2015/02/17 08:24:20]

LAMBDA!!!!

Half-Life 3 confirmed.

[calamity, 2015/02/18 01:28:30]

Acknowledged.

+              });
+
+    for (size_t i = 0; i < result_container_views_.size(); ++i) {
+      result_container_views_[i]->ClearSelectedIndex();
+      ReorderChildView(result_container_views_[i]->parent(), i);
+    }
+  }
+
   Layout();
   SetSelectedIndex(0);
 }
 
 }  // namespace app_list