Auto hide app list on Windows when it loses focus.

chrome/browser/ui/app_list/app_list_view_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/app_list/app_list_controller.h"
 #include "ui/app_list/app_list_view_delegate.h"
 
 class AppsModelBuilder;
 class SearchBuilder;
 
 class AppListViewDelegate : public app_list::AppListViewDelegate {
  public:
   // The delegate will take ownership of the controller.
-  explicit AppListViewDelegate(AppListController* controller);
+  explicit AppListViewDelegate(AppListControllerDelegate* controller);
   virtual ~AppListViewDelegate();
 
  private:
   // Overridden from app_list::AppListViewDelegate:
   virtual void SetModel(app_list::AppListModel* model) OVERRIDE;
   virtual void ActivateAppListItem(app_list::AppListItemModel* item,
                                    int event_flags) OVERRIDE;
   virtual void StartSearch() OVERRIDE;
   virtual void StopSearch() OVERRIDE;
   virtual void OpenSearchResult(const app_list::SearchResult& result,
                                 int event_flags) OVERRIDE;
   virtual void InvokeSearchResultAction(const app_list::SearchResult& result,
                                         int action_index,
                                         int event_flags) OVERRIDE;
   virtual void Close() OVERRIDE;
+  virtual void ViewClosing() OVERRIDE;
+  virtual void ViewActivationChanged(bool active) OVERRIDE;
 
   scoped_ptr<AppsModelBuilder> apps_builder_;
   scoped_ptr<SearchBuilder> search_builder_;
-  scoped_ptr<AppListController> controller_;
+  scoped_ptr<AppListControllerDelegate> controller_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListViewDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_