app_list: Refocus app when clicked from search result.

chrome/browser/ui/ash/app_list/search_builder.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 "chrome/browser/ui/ash/app_list/search_builder.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "chrome/browser/autocomplete/autocomplete_controller.h"
@@ skipping 228 matching lines @@
 
   // Count AppList.Search here because it is composed of search + action.
   content::RecordAction(content::UserMetricsAction("AppList_Search"));
 
   if (match.type == AutocompleteMatch::EXTENSION_APP) {
     const extensions::Extension* extension =
         GetExtensionByURL(profile_, match.destination_url);
     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?
     chrome::NavigateParams params(profile_,
                                   match.destination_url,
                                   match.transition);
     params.disposition = chrome::DispositionFromEventFlags(event_flags);
     chrome::Navigate(&params);
   }
 }
 
 void SearchBuilder::PopulateFromACResult(const AutocompleteResult& ac_result) {
   results_->DeleteAll();
   for (ACMatches::const_iterator it = ac_result.begin();
        it != ac_result.end();
        ++it) {
     results_->Add(new SearchBuilderResult(profile_, *it));
   }
 }
 
 void SearchBuilder::OnResultChanged(bool default_match_changed) {
   // TODO(xiyuan): Handle default match properly.
   const AutocompleteResult& ac_result = controller_->result();
   PopulateFromACResult(ac_result);
 }