Don't fire a FOCUS accessibility event on a View that doesn't have focus.

ui/app_list/views/search_result_list_view.cc

Index: ui/app_list/views/search_result_list_view.cc
diff --git a/ui/app_list/views/search_result_list_view.cc b/ui/app_list/views/search_result_list_view.cc
index 281e84facedad3f50986642971b7edbb8bac7c7e..91cb3196694d747e1b365fe60776e121ff1f0f79 100644
--- a/ui/app_list/views/search_result_list_view.cc
+++ b/ui/app_list/views/search_result_list_view.cc
@@ -192,7 +192,7 @@ void SearchResultListView::UpdateSelectedIndex(int old_selected,
     SearchResultView* selected_view = GetResultViewAt(new_selected);
     selected_view->ClearSelectedAction();
     selected_view->SchedulePaint();
-    selected_view->NotifyAccessibilityEvent(ui::AX_EVENT_FOCUS, true);
+    selected_view->NotifyAccessibilityEvent(ui::AX_EVENT_SELECTION, true);

[sky, 2016/02/14 16:21:52]

I believe this function is always called when the selection changes. In which
case shouldn't notification be unconditional in this function?

[dmazzoni, 2016/02/17 00:25:18]

We need to fire the selection on a particular item, though. Nothing to fire it
on if there are no results.

   }
 }