Modified DialogDelegateView to be accessible

chrome/browser/ui/views/extensions/extension_install_dialog_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/ui/views/extensions/extension_install_dialog_view.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 736 matching lines @@
   }
   return layout;
 }
 
 void ExtensionInstallDialogView::ContentsChanged() {
   Layout();
 }
 
 void ExtensionInstallDialogView::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
+  views::DialogDelegateView::ViewHierarchyChanged(details);
   // Since we want the links to show up in the same visual row as the accept
   // and cancel buttons, 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) {
       if (show_details_link_)
         details.parent->AddChildView(show_details_link_);
       if (checkbox_info_label_)
@@ skipping 402 matching lines @@
 void ExpandableContainerView::ExpandWithoutAnimation() {
   expanded_ = true;
   details_view_->AnimateToState(1.0);
 }
 
 // static
 ExtensionInstallPrompt::ShowDialogCallback
 ExtensionInstallPrompt::GetDefaultShowDialogCallback() {
   return base::Bind(&ShowExtensionInstallDialogImpl);
 }