Modified DialogDelegateView to be accessible

chrome/browser/ui/views/task_manager_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 "chrome/browser/task_manager/task_manager.h"
 
 #include "base/compiler_specific.h"
 #include "base/metrics/stats_table.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 391 matching lines @@
         col.sortable = true;
         columns_.push_back(col);
         tab_table_->AddColumn(col);
       }
     }
   }
 }
 
 void TaskManagerView::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
+  views::DialogDelegateView::ViewHierarchyChanged(details);
   // Since we want the Kill button and the Memory Details link to show up in
   // the same visual row as the close button, which is provided by the
   // framework, we must add the buttons to the non-client view, which is the
   // parent of this view. Similarly, when we're removed from the view
   // hierarchy, we must take care to clean up those items as well.
   if (details.child == this) {
     if (details.is_add) {
       details.parent->AddChildView(about_memory_link_);
       details.parent->AddChildView(kill_button_);
       tab_table_parent_ = tab_table_->CreateParentIfNecessary();
@@ skipping 242 matching lines @@
 // Declared in browser_dialogs.h so others don't need to depend on our header.
 void ShowTaskManager(Browser* browser) {
   TaskManagerView::Show(browser);
 }
 
 void HideTaskManager() {
   TaskManagerView::Hide();
 }
 
 }  // namespace chrome