Auto hide app list on Windows when it loses focus.

chrome/browser/ui/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/app_list/search_builder.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 277 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(ContactResult);
 };
 #endif
 
 }  // namespace
 
 SearchBuilder::SearchBuilder(
     Profile* profile,
     app_list::SearchBoxModel* search_box,
     app_list::AppListModel::SearchResults* results,
-    AppListController* list_controller)
+    AppListControllerDelegate* list_controller)
     : profile_(profile),
       search_box_(search_box),
       results_(results),
       list_controller_(list_controller) {
   search_box_->SetHintText(
       l10n_util::GetStringUTF16(IDS_SEARCH_BOX_HINT));
   search_box_->SetIcon(*ui::ResourceBundle::GetSharedInstance().
       GetImageSkiaNamed(IDR_OMNIBOX_SEARCH));
 
   // TODO(xiyuan): Consider requesting fewer providers in the non-apps-only
@@ skipping 123 matching lines @@
     result->Init(profile_, *it);
     results_->Add(result);
   }
 }
 
 void SearchBuilder::OnResultChanged(bool default_match_changed) {
   // TODO(xiyuan): Handle default match properly.
   const AutocompleteResult& ac_result = controller_->result();
   PopulateFromACResult(ac_result);
 }