app_list: Refocus app when clicked from search result.

chrome/browser/ui/ash/app_list/search_builder.cc

Index: chrome/browser/ui/ash/app_list/search_builder.cc
diff --git a/chrome/browser/ui/ash/app_list/search_builder.cc b/chrome/browser/ui/ash/app_list/search_builder.cc
index 4bfa46f22519e784f9c5c3e6e447f185a299d108..074a723609bdc99325766380bc3d835ded923006 100644
--- a/chrome/browser/ui/ash/app_list/search_builder.cc
+++ b/chrome/browser/ui/ash/app_list/search_builder.cc
@@ -246,7 +246,7 @@ void SearchBuilder::OpenResult(const app_list::SearchResult& result,
     if (extension) {
       content::RecordAction(
           content::UserMetricsAction("AppList_ClickOnAppFromSearch"));
-      list_controller_->OpenApp(profile_, extension->id(), event_flags);
+      list_controller_->ActivateApp(profile_, extension->id(), event_flags);
     }
   } else {
     // TODO(xiyuan): What should we do for alternate url case?