Auto hide app list on Windows when it loses focus.

ui/app_list/app_list_view.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 "ui/app_list/app_list_view.h"
 
 #include "base/string_util.h"
 #include "ui/app_list/app_list_background.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_item_view.h"
@@ skipping 182 matching lines @@
     delegate_->OpenSearchResult(result, event_flags);
 }
 
 void AppListView::InvokeResultAction(const SearchResult& result,
                                      int action_index,
                                      int event_flags) {
   if (delegate_.get())
     delegate_->InvokeSearchResultAction(result, action_index, event_flags);
 }
 
+void AppListView::OnWidgetClosing(views::Widget* widget) {
+  BubbleDelegateView::OnWidgetClosing(widget);
+  if (delegate_.get() && widget == GetWidget())
+    delegate_->ViewClosing();
+}
+
+void AppListView::OnWidgetActivationChanged(views::Widget* widget,
+                                            bool active) {
+  // Do not called inherited function as the bubble delegate auto close
+  // functionality is not used.
+  if (delegate_.get() && widget == GetWidget())
+    delegate_->ViewActivationChanged(active);
+}
+
 }  // namespace app_list